Saving $150,000 is, too.
Which is more likely to lead to true self-sufficiency? Barring other possibilities, the savings. But given human response to positive feedback loops, a successful dev often becomes a more successful dev overtime. Hence, I favor the "first app I wrote that made $500/mo" is more significant.
You can’t just say your app makes $500/mo without giving the time period for how long it has been making that. Generally if it’s not revealed it’s because it hasn’t been very long.
For the SEO could you go after Gym Noobs like me who know nothing about different programs, teach them what 5/3/1 is and then lead them to your app? Or is that too crowded and difficult?
I made the valuation at 5x yearly profits.