How much time or focus is associated with "money making" activities would be my question? And is it less than it would take to earn than money part time and foc

How much time or focus is associated with "money making" activities would be my question? And is it less than it would take to earn than money part time and focus the rest on serenity OS? I'd also add that this model - contribution supported - may work for people who have already built something great, but it dangerous to aspire too because some people just end up being beggars and optimizing for trying to get handouts ("buy me a coffee") instead of putting their project first* (to be clear, I don't think that's the case here) *edit: not a unique problem to this model, same thing happens with "founders" trying to optimize for VC money instead of making something