A lot of this is an experiment. You're right, I can potentially bill a client $100+ an hour as an iOS developer but there's other costs that a lot of people ign

A lot of this is an experiment. You're right, I can potentially bill a client $100+ an hour as an iOS developer but there's other costs that a lot of people ignore including time spent finding a client and time spent courting them. The income isn't optimized (yet) but it's a start.