Regardless of how much money you have, frugal living is not a terrible way—understanding that you have personal finance goals that you would like to meet plays a role in how cheap you intend to be.
Cut up old blankets or towels to use as old rags. If you need to clean up a gross mess, you won’t feel so bad about throwing the old stuff away.
Watch less tv. I’ve heard it said that if you have time to watch tv, you have time to create or learn something.