Get a better hourly wage. About an hour of my month pays for all of my entertainment and software subscriptions. Another couple of hours pay for a year of iPhone. Coffee? Another hour per month maybe? We are worlds apart in our arithmetic and I don't even earn that much.

If people enjoy spending their unpaid hours building clones of paid software that's fine, but it's fine because they enjoy it. It's not minimally worth it. The time I waste on YouTube and the news etc etc is sorely needed and enjoyed downtime. If someone has enough energy to build instead of vegetating, more power to them. I prefer to save my energy for the stuff I value. (Which is actual work, helping family and games)

EDIT: another thing to consider is that each hour I spend fully pursuing my occupation pays me an hourly wage but also pays me in career growth. This compounds massively over time in higher and higher wages. Building throwaway apps generally does not. Why would I waste energy on work that doesn't compound? I'm all for serendipity but not as a financial argument.