Whats Your Top Budget Prep That Actually Works?

[BlueMarigold]

When it comes to prepping on a tight budget, I've found that some of the cheapest solutions are actually the most effective. For example, using mylar blankets as makeshift insulation in the garden shed helped keep my canned goods more stable through temperature swings. I swear by bulk rice and beans in food-grade buckets too—those stretch a long way and don’t cost much if you buy right.

I’m curious about what others have tried, especially things that don’t require fancy gear or big investments. Have folks here had good luck