Is your question if they exist?<p><a href="https://www.indiehackers.com/podcast/034-mike-carson-of-park-io" rel="nofollow">https://www.indiehackers.com/podcast/034-mike-carson-of-park...</a> claims 125k/month<p>Apart from the minecraft founder I'm most amazed by <a href="http://www.businessinsider.com/how-markus-frind-bootstrapped-plentyoffish-and-sold-it-for-575-million-2015-7" rel="nofollow">http://www.businessinsider.com/how-markus-frind-bootstrapped...</a> For years he ran the website alone on a single (big) server, claimed working on it an hour or two per day and earning $10k/day in Adsense. <a href="http://www.workhappy.net/2009/01/remember-markus-frind-the-adsense-millionaire.html" rel="nofollow">http://www.workhappy.net/2009/01/remember-markus-frind-the-a...</a>