What’s the One Prep You Wish You’d Started Sooner?

[PrepperLinda65]

Looking back, I really wish I'd started building a rainwater catchment system much earlier. Water’s always the trickiest resource in a crisis. Curious what everyone else regrets not getting into sooner—any lessons learned the hard way?

 

[BlueHarborTea]

Really wish I’d learned proper food dehydration sooner—so simple, but I put it off for years! Anyone else here into drying their garden veggies for longer storage?