This year's market has taught everyone hard lessons. Looking back at 2025, what's the trade or decision you swear you'll never repeat? Was it chasing a pump at the top, holding too long expecting a comeback, or maybe timing the bottom wrong? Everyone who's spent serious time in crypto has at least one moment where they're like 'never doing that again.' Share the experience that hit hardest—sometimes the biggest wins come from learning what not to do.