Even if you have no idea. Think out loud. As long as you try to solve it analytically you are golden.
Most of the time it isn’t about the correct answer, there are books for that, also this thing called internet.
HOW you get to an answer is much more valuable.

I’ve always been big on owning my own data. Now I mostly do. What started as a fancy back up is now a full blown suite with lots of little OSS projects.

Firefly, ghostfolio, hoarder, silverbullet to name a few.

The selfhosted podcast is also a nice listen.

I’ve seen people mitigate this by building in their free time outside world. I’m my case, that’s a hard ask, usually work leaves me to drained.

What I have found to kind of fill the gap is self hosting. Tinkering around with docker, spinning up things, networking, automation.