Their labor is valued equally: One hour is always worth one time dollar. (Time dollars are not taxable, according to Time Banks USA.)
Says that their labor is valued equally, that right there would cause many problems.
Lets say Bill cuts hair and Paul is a plumber, everyone knows how much plumbers get to come out and fix a stoppage, they get about $125+ for only minutes of work. Now Bill cuts hair, average price of a haircut now a days is around $12-$20 give or take. Now how can you value this labor equally.
There has to be a guide on certain services and how they are valued. You cannot value certain skills equally.