Directly trading one luxury for another doesn't help when what you need is a way to feed yourself, pay the rent, heat the house, etc.
>> Both are living happily and have 10 hours a day of free time.
Forget about the bill and currencies. These are abstraction layers we made to make small exchanges possible and fast.
Directly trading one luxury for another doesn't help when what you need is a way to feed yourself, pay the rent, heat the house, etc.