It’s very often a niche the founder themselves are part of. If the founder writes content and builds a headline A/B tester, it’s often possible to make a tool,

It’s very often a niche the founder themselves are part of. If the founder writes content and builds a headline A/B tester, it’s often possible to make a tool, so some adwords and marketing and get a couple thousand sales at less than a $100 a month each.