The way I've started to look at it is: I don't expect I would be able to make $10 in that hour, but if I could skip doing chore X (cleaning, going to the store,

The way I've started to look at it is: I don't expect I would be able to make $10 in that hour, but if I could skip doing chore X (cleaning, going to the store, whatever) and instead spend an hour going to the park with my wife and kids, or having lunch with them, or going for a run, that experience would be worth $10 (or probably more) to me. So it's not about trading time for money, it's about paying to trade an unpleasurable experience (e.g. standing in line at the grocery store) for a pleasurable one (drawing or having a hand stand competition with your kids).