I eat almost every meal at home.

I combine trips so I'm not needlessly burning fuel.

I have more than one way of making money.

Also cheap as fuck

I bargain shop, use coupons and rewards

I salvage stuff. I take things apart. Pick parts off old grills. Throw old pieces of lumber into truck and pull the nails out and re-use them. Fix everything myself. Mount my own tires.

I buy lots of used stuff.