>a substantial amount of money goes to living expenses Then charge them for those living expenses. Pay them a normal wage for outside, and then charge them wha

>a substantial amount of money goes to living expenses Then charge them for those living expenses. Pay them a normal wage for outside, and then charge them what it would cost to rent a tiny room you share with another person plus the real cost of a boiled egg plus a peanut butter sandwich. I imagine they'd end up with something like 90% of their wage left.