Mark
@markstudzinski.com
15+ years experience creating simple solutions for complex business problems.
Passionate about understanding the world.
Endurance athlete on weekends 🏃♂️
Passionate about understanding the world.
Endurance athlete on weekends 🏃♂️
December 2, 2025 at 12:49 AM
day 8: building my first app to solve a real problem - keeping track of your home maintenance.
hardest part so far?
Prioritizing. Everything feels important.
Shipping > perfection.
MVP goal for v1: onboarding + schedule + reminders
nothing more.
#buildinpublic
hardest part so far?
Prioritizing. Everything feels important.
Shipping > perfection.
MVP goal for v1: onboarding + schedule + reminders
nothing more.
#buildinpublic
December 2, 2025 at 12:47 AM
day 8: building my first app to solve a real problem - keeping track of your home maintenance.
hardest part so far?
Prioritizing. Everything feels important.
Shipping > perfection.
MVP goal for v1: onboarding + schedule + reminders
nothing more.
#buildinpublic
hardest part so far?
Prioritizing. Everything feels important.
Shipping > perfection.
MVP goal for v1: onboarding + schedule + reminders
nothing more.
#buildinpublic
day 7: building my first app to solve a real problem - keeping track of your home maintenance.
small win today:
Got 90% of the UX locked + task logic feels clean.
Feels good to see momentum 🚀
#buildinpublic
small win today:
Got 90% of the UX locked + task logic feels clean.
Feels good to see momentum 🚀
#buildinpublic
November 29, 2025 at 3:48 AM
day 7: building my first app to solve a real problem - keeping track of your home maintenance.
small win today:
Got 90% of the UX locked + task logic feels clean.
Feels good to see momentum 🚀
#buildinpublic
small win today:
Got 90% of the UX locked + task logic feels clean.
Feels good to see momentum 🚀
#buildinpublic
day 6: building my first app to solve a real problem - keeping track of your home maintenance.
today I'm diving into designing the user experience.
What differentiates an okay UX from a great one?
#buildinpublic
today I'm diving into designing the user experience.
What differentiates an okay UX from a great one?
#buildinpublic
November 28, 2025 at 1:15 PM
day 6: building my first app to solve a real problem - keeping track of your home maintenance.
today I'm diving into designing the user experience.
What differentiates an okay UX from a great one?
#buildinpublic
today I'm diving into designing the user experience.
What differentiates an okay UX from a great one?
#buildinpublic
day 5: building my first app to solve a real problem - keeping track of your home maintenance.
Progress isn't linear.
Today I got home late, dinner took way longer, barely got anything done. Back at it tomorrow.
#buildinpublic
Progress isn't linear.
Today I got home late, dinner took way longer, barely got anything done. Back at it tomorrow.
#buildinpublic
November 27, 2025 at 3:57 AM
day 5: building my first app to solve a real problem - keeping track of your home maintenance.
Progress isn't linear.
Today I got home late, dinner took way longer, barely got anything done. Back at it tomorrow.
#buildinpublic
Progress isn't linear.
Today I got home late, dinner took way longer, barely got anything done. Back at it tomorrow.
#buildinpublic
day 4: building my first app to solve a real problem - keeping track of your home maintenance.
I probably should've done some additional planning upfront. Still figuring out what the user flow should look like. All part of the process though?
#buildinpublic
I probably should've done some additional planning upfront. Still figuring out what the user flow should look like. All part of the process though?
#buildinpublic
November 26, 2025 at 1:42 AM
day 4: building my first app to solve a real problem - keeping track of your home maintenance.
I probably should've done some additional planning upfront. Still figuring out what the user flow should look like. All part of the process though?
#buildinpublic
I probably should've done some additional planning upfront. Still figuring out what the user flow should look like. All part of the process though?
#buildinpublic
day 3: building my first app to solve a real problem - keeping track of your home maintenance.
Don't lose the forest for the trees. Especially when building features.
AI has been very useful at visually summarizing UX by dropping my app files into a prompt.
#buildinpublic
Don't lose the forest for the trees. Especially when building features.
AI has been very useful at visually summarizing UX by dropping my app files into a prompt.
#buildinpublic
November 25, 2025 at 3:26 AM
day 3: building my first app to solve a real problem - keeping track of your home maintenance.
Don't lose the forest for the trees. Especially when building features.
AI has been very useful at visually summarizing UX by dropping my app files into a prompt.
#buildinpublic
Don't lose the forest for the trees. Especially when building features.
AI has been very useful at visually summarizing UX by dropping my app files into a prompt.
#buildinpublic
day 2: Building my first app that solves a real problem - keeping track of your home maintenance.
Spent the day laying out wireframes for the app. Need to keep reminding myself what the core features should be. Always easy to add more.
#buildinpublic
Spent the day laying out wireframes for the app. Need to keep reminding myself what the core features should be. Always easy to add more.
#buildinpublic
November 24, 2025 at 1:00 AM
day 2: Building my first app that solves a real problem - keeping track of your home maintenance.
Spent the day laying out wireframes for the app. Need to keep reminding myself what the core features should be. Always easy to add more.
#buildinpublic
Spent the day laying out wireframes for the app. Need to keep reminding myself what the core features should be. Always easy to add more.
#buildinpublic
day 1: Building my first app that solves a real problem - keeping track of your home maintenance.
Never built an app before. Seeing if I can go from zero experience to creating something that is actually useful.
Posting here because influencers told me I should #buildinpublic
Never built an app before. Seeing if I can go from zero experience to creating something that is actually useful.
Posting here because influencers told me I should #buildinpublic
November 23, 2025 at 2:23 AM
day 1: Building my first app that solves a real problem - keeping track of your home maintenance.
Never built an app before. Seeing if I can go from zero experience to creating something that is actually useful.
Posting here because influencers told me I should #buildinpublic
Never built an app before. Seeing if I can go from zero experience to creating something that is actually useful.
Posting here because influencers told me I should #buildinpublic
Day 37 of extracting timeless wisdom from Berkshire's letters.
In the 2013 letter, Buffett delivers a classic insight: "A climate of fear is your friend when investing; a euphoric world is your enemy." Market volatility isn't something to fear - it's your greatest opportunity. (1/3) #econsky
In the 2013 letter, Buffett delivers a classic insight: "A climate of fear is your friend when investing; a euphoric world is your enemy." Market volatility isn't something to fear - it's your greatest opportunity. (1/3) #econsky
April 23, 2025 at 3:24 AM
Day 37 of extracting timeless wisdom from Berkshire's letters.
In the 2013 letter, Buffett delivers a classic insight: "A climate of fear is your friend when investing; a euphoric world is your enemy." Market volatility isn't something to fear - it's your greatest opportunity. (1/3) #econsky
In the 2013 letter, Buffett delivers a classic insight: "A climate of fear is your friend when investing; a euphoric world is your enemy." Market volatility isn't something to fear - it's your greatest opportunity. (1/3) #econsky
Day 36 of extracting timeless wisdom from Berkshire's letters.
The 2012 letter reveals something wild: 24 HQ staff managing 300,000 employees. While most companies add management layers as they grow, Berkshire runs the most extreme anti-bureaucracy model in corporate America. (1/3) #econsky
The 2012 letter reveals something wild: 24 HQ staff managing 300,000 employees. While most companies add management layers as they grow, Berkshire runs the most extreme anti-bureaucracy model in corporate America. (1/3) #econsky
April 22, 2025 at 3:25 AM
Day 36 of extracting timeless wisdom from Berkshire's letters.
The 2012 letter reveals something wild: 24 HQ staff managing 300,000 employees. While most companies add management layers as they grow, Berkshire runs the most extreme anti-bureaucracy model in corporate America. (1/3) #econsky
The 2012 letter reveals something wild: 24 HQ staff managing 300,000 employees. While most companies add management layers as they grow, Berkshire runs the most extreme anti-bureaucracy model in corporate America. (1/3) #econsky
Day 35 of extracting timeless wisdom from Berkshire's letters.
In 2011, Buffett pointed out the great paradox of "safe" investments. The less volatile an asset appears on paper, the more it might actually be eroding your wealth through inflation. (1/3) #econsky
In 2011, Buffett pointed out the great paradox of "safe" investments. The less volatile an asset appears on paper, the more it might actually be eroding your wealth through inflation. (1/3) #econsky
April 21, 2025 at 4:02 AM
Day 35 of extracting timeless wisdom from Berkshire's letters.
In 2011, Buffett pointed out the great paradox of "safe" investments. The less volatile an asset appears on paper, the more it might actually be eroding your wealth through inflation. (1/3) #econsky
In 2011, Buffett pointed out the great paradox of "safe" investments. The less volatile an asset appears on paper, the more it might actually be eroding your wealth through inflation. (1/3) #econsky
Day 34 of extracting timeless wisdom from Berkshire's letters.
"In businesses, culture counts," Buffett observed in 2010. While most executives give culture lip service, Berkshire actually designs its entire business "with an eye to reinforcing the Berkshire culture." (1/3) #econsky
"In businesses, culture counts," Buffett observed in 2010. While most executives give culture lip service, Berkshire actually designs its entire business "with an eye to reinforcing the Berkshire culture." (1/3) #econsky
April 20, 2025 at 3:33 AM
Day 34 of extracting timeless wisdom from Berkshire's letters.
"In businesses, culture counts," Buffett observed in 2010. While most executives give culture lip service, Berkshire actually designs its entire business "with an eye to reinforcing the Berkshire culture." (1/3) #econsky
"In businesses, culture counts," Buffett observed in 2010. While most executives give culture lip service, Berkshire actually designs its entire business "with an eye to reinforcing the Berkshire culture." (1/3) #econsky
Day 33 of extracting timeless wisdom from Berkshire's letters.
In 2009, Buffett reflected on the financial crisis: "We pay a steep price to maintain our premier financial strength." His $20B cash hoard earned almost nothing during normal times. (1/4) #econsky
In 2009, Buffett reflected on the financial crisis: "We pay a steep price to maintain our premier financial strength." His $20B cash hoard earned almost nothing during normal times. (1/4) #econsky
April 18, 2025 at 10:07 PM
Day 33 of extracting timeless wisdom from Berkshire's letters.
In 2009, Buffett reflected on the financial crisis: "We pay a steep price to maintain our premier financial strength." His $20B cash hoard earned almost nothing during normal times. (1/4) #econsky
In 2009, Buffett reflected on the financial crisis: "We pay a steep price to maintain our premier financial strength." His $20B cash hoard earned almost nothing during normal times. (1/4) #econsky
Day 32 of extracting timeless wisdom from Berkshire's letters.
In 2008, Buffett warned: "Beware of geeks bearing formulas." Sophisticated mathematical models based on historical data failed spectacularly. (1/3) #econsky
In 2008, Buffett warned: "Beware of geeks bearing formulas." Sophisticated mathematical models based on historical data failed spectacularly. (1/3) #econsky
April 17, 2025 at 3:26 AM
Day 32 of extracting timeless wisdom from Berkshire's letters.
In 2008, Buffett warned: "Beware of geeks bearing formulas." Sophisticated mathematical models based on historical data failed spectacularly. (1/3) #econsky
In 2008, Buffett warned: "Beware of geeks bearing formulas." Sophisticated mathematical models based on historical data failed spectacularly. (1/3) #econsky
Day 31 of extracting timeless wisdom from Berkshire letters.
In 2007, Buffett shared a classic insight: "A truly great business must have an enduring 'moat' that protects excellent returns on invested capital." Without protection, competition inevitably erodes profits. (1/3) #econsky
In 2007, Buffett shared a classic insight: "A truly great business must have an enduring 'moat' that protects excellent returns on invested capital." Without protection, competition inevitably erodes profits. (1/3) #econsky
April 15, 2025 at 1:04 PM
Day 31 of extracting timeless wisdom from Berkshire letters.
In 2007, Buffett shared a classic insight: "A truly great business must have an enduring 'moat' that protects excellent returns on invested capital." Without protection, competition inevitably erodes profits. (1/3) #econsky
In 2007, Buffett shared a classic insight: "A truly great business must have an enduring 'moat' that protects excellent returns on invested capital." Without protection, competition inevitably erodes profits. (1/3) #econsky
Day 30 of reading Berkshire letters to find the best wisdom.
In 2006, newspapers were collapsing: "When an industry's underlying economics are crumbling, talented management may slow the rate of decline. Eventually, though, eroding fundamentals will overwhelm managerial brilliance." (1/3) #econsky
In 2006, newspapers were collapsing: "When an industry's underlying economics are crumbling, talented management may slow the rate of decline. Eventually, though, eroding fundamentals will overwhelm managerial brilliance." (1/3) #econsky
April 15, 2025 at 2:04 AM
Day 30 of reading Berkshire letters to find the best wisdom.
In 2006, newspapers were collapsing: "When an industry's underlying economics are crumbling, talented management may slow the rate of decline. Eventually, though, eroding fundamentals will overwhelm managerial brilliance." (1/3) #econsky
In 2006, newspapers were collapsing: "When an industry's underlying economics are crumbling, talented management may slow the rate of decline. Eventually, though, eroding fundamentals will overwhelm managerial brilliance." (1/3) #econsky
Day 29 of reading Berkshire's letters for the timeless wisdom.
In 2005, Buffett warned about "frictional costs" destroying investor returns: "Paying Helpers cause American equity investors, to earn only 80% or so of what they would earn if they just sat still and listened to no one." (1/3) #econsky
In 2005, Buffett warned about "frictional costs" destroying investor returns: "Paying Helpers cause American equity investors, to earn only 80% or so of what they would earn if they just sat still and listened to no one." (1/3) #econsky
April 14, 2025 at 12:03 AM
Day 29 of reading Berkshire's letters for the timeless wisdom.
In 2005, Buffett warned about "frictional costs" destroying investor returns: "Paying Helpers cause American equity investors, to earn only 80% or so of what they would earn if they just sat still and listened to no one." (1/3) #econsky
In 2005, Buffett warned about "frictional costs" destroying investor returns: "Paying Helpers cause American equity investors, to earn only 80% or so of what they would earn if they just sat still and listened to no one." (1/3) #econsky
Day 28 of extracting investment wisdom from Berkshire letters.
In 2004, Buffett warned about America's $618 billion trade deficit, describing it as a "force-feeding of American wealth to the rest of the world" at $1.8 billion daily. This is EXTREMELY relevant today. (1/7) #econsky
In 2004, Buffett warned about America's $618 billion trade deficit, describing it as a "force-feeding of American wealth to the rest of the world" at $1.8 billion daily. This is EXTREMELY relevant today. (1/7) #econsky
April 13, 2025 at 12:18 AM
Day 28 of extracting investment wisdom from Berkshire letters.
In 2004, Buffett warned about America's $618 billion trade deficit, describing it as a "force-feeding of American wealth to the rest of the world" at $1.8 billion daily. This is EXTREMELY relevant today. (1/7) #econsky
In 2004, Buffett warned about America's $618 billion trade deficit, describing it as a "force-feeding of American wealth to the rest of the world" at $1.8 billion daily. This is EXTREMELY relevant today. (1/7) #econsky
Lots of tariff and current account talk over the past few weeks. I put together this simple explanation of why tariffs don't actually fix America's trade problems - without the economic jargon: medium.com/@studzinskim... #econsky
Why Trump’s Tariffs Won’t Fix the Trade Deficit
Confused about tariffs and trade deficits? This article explains in simple terms why tariffs don’t work as promised and how they affect…
medium.com
April 12, 2025 at 11:53 PM
Lots of tariff and current account talk over the past few weeks. I put together this simple explanation of why tariffs don't actually fix America's trade problems - without the economic jargon: medium.com/@studzinskim... #econsky
Day 27 of extracting timeless wisdom from Berkshire's letters.
In 2003, Buffett confessed his dot-com bubble regret: "I made a big mistake in not selling several of our larger holdings during The Great Bubble." (1/3) #econsky
In 2003, Buffett confessed his dot-com bubble regret: "I made a big mistake in not selling several of our larger holdings during The Great Bubble." (1/3) #econsky
April 12, 2025 at 1:45 AM
Day 27 of extracting timeless wisdom from Berkshire's letters.
In 2003, Buffett confessed his dot-com bubble regret: "I made a big mistake in not selling several of our larger holdings during The Great Bubble." (1/3) #econsky
In 2003, Buffett confessed his dot-com bubble regret: "I made a big mistake in not selling several of our larger holdings during The Great Bubble." (1/3) #econsky
Day 26 of exploring Buffett's timeless wisdom.
His 2002 letter contains perhaps his most prescient warning: "Derivatives are financial weapons of mass destruction, carrying dangers that, while now latent, are potentially lethal." (1/4) #econsky
His 2002 letter contains perhaps his most prescient warning: "Derivatives are financial weapons of mass destruction, carrying dangers that, while now latent, are potentially lethal." (1/4) #econsky
April 11, 2025 at 3:04 AM
Day 26 of exploring Buffett's timeless wisdom.
His 2002 letter contains perhaps his most prescient warning: "Derivatives are financial weapons of mass destruction, carrying dangers that, while now latent, are potentially lethal." (1/4) #econsky
His 2002 letter contains perhaps his most prescient warning: "Derivatives are financial weapons of mass destruction, carrying dangers that, while now latent, are potentially lethal." (1/4) #econsky
Day 25 of finding the timeless wisdom in Berkshire letters. The 2001 letter contains this crucial insight that applies far beyond insurance.
"At certain times, using experience as a guide to pricing is not only useless, but actually dangerous." (1/3) #econsky
"At certain times, using experience as a guide to pricing is not only useless, but actually dangerous." (1/3) #econsky
April 10, 2025 at 2:10 AM
Day 25 of finding the timeless wisdom in Berkshire letters. The 2001 letter contains this crucial insight that applies far beyond insurance.
"At certain times, using experience as a guide to pricing is not only useless, but actually dangerous." (1/3) #econsky
"At certain times, using experience as a guide to pricing is not only useless, but actually dangerous." (1/3) #econsky
Day 24 of reading all Berkshire shareholder letters. The 2000 letter offers this timeless distinction:
"Speculation – in which the focus is not on what an asset will produce but rather on what the next fellow will pay for it – is not a game in which Charlie and I wish to play." (1/4) #econsky
"Speculation – in which the focus is not on what an asset will produce but rather on what the next fellow will pay for it – is not a game in which Charlie and I wish to play." (1/4) #econsky
April 9, 2025 at 1:45 AM
Day 24 of reading all Berkshire shareholder letters. The 2000 letter offers this timeless distinction:
"Speculation – in which the focus is not on what an asset will produce but rather on what the next fellow will pay for it – is not a game in which Charlie and I wish to play." (1/4) #econsky
"Speculation – in which the focus is not on what an asset will produce but rather on what the next fellow will pay for it – is not a game in which Charlie and I wish to play." (1/4) #econsky
Day 23 of reading all Berkshire shareholder letters to find the most timeless advice. The 1999 letter makes a point that feels especially relevant in today's volatile market:
"Over time, of course, the performance of the stock must roughly match the performance of the business." (1/3) #econsky
"Over time, of course, the performance of the stock must roughly match the performance of the business." (1/3) #econsky
April 7, 2025 at 1:16 PM
Day 23 of reading all Berkshire shareholder letters to find the most timeless advice. The 1999 letter makes a point that feels especially relevant in today's volatile market:
"Over time, of course, the performance of the stock must roughly match the performance of the business." (1/3) #econsky
"Over time, of course, the performance of the stock must roughly match the performance of the business." (1/3) #econsky