Retention hack founders ignore: change CTA copy to set an expectation. Swap 'Get started' for 'Finish setup in 5 minutes' — clarity beats clever. Small wording, measurable lift.

Want to know which marketing idea will actually move the needle? Run a 7-day micro-test. Day 1: launch a one-line landing page. Day 3: send 100 targeted messages. Day 5: measure 3 clear metrics (leads, CTR, short-term conversion). Day 7: keep, pivot, or kill. Small budget, fast clarity.