How much money have you made with this approach

I think the opposite question is more prevalent, how much money have you spent?

Not a small amount :)

I spend $140/mo on Anthropic + OpenAI subs and I use all my tokens all the time.

I've started spending about $100/week on API credits, but I'd like to increase that.

Still waiting for these software factories to solve problems that aren't related to building software factories. I'm sure it'll happen sooner or later, but so far all the outputs of these "AI did this whole thing autonomously" are just tools to have AI build things autonomously. It's like a self reinforcing pyramid.

AI agents haven't yet figured out a way to do sales, marketing or customer support in a way that people want to pay them money.

Maybe that won't be necessary and instead the agent economy will be agents providing services for other agents.

... is that the purpose of life? The sole reason for doing anything?

With so much hype it's a valid question: "is this useful/practical, or just a fun rabbit hole/productivity porn". Money is the most obvious metric, feel free to inquire the parent about other possible metrics that might be useful to others instead of asking rhetorical questions.

Unfortunately, it's hard to quantize "How much fun did you have?"

none yet!