Earlier quoted context omitted.
You could probably talk to business owners with problems, launch an (appropriately priced; hundreds to thousands of dollars per year) product against those problems, build contingent on getting 10 commits to buy I don't doubt that you're absolutely right, but this bit strikes me as hard . I've struggled to find one business owner with a problem they perceive, let alone 10 with commitments to buying a solution for the…
Is the problem that you can’t identify owners, that you can’t successfully get in touch with business owners, that you can’t convince them to talk to you, that you can’t get signal from those conversations, or that you are accurately getting the signal “Actually literally nothing could be better about my life.” Draw the funnel diagram, with numbers if necessary. Having talked to many devs who believe similar, I think…
To give a counter-example, I did consulting for a decade before going off to do my thing, so I have a lot of personal contacts and I'm familiar with a lot of problems, both general and specific, that businesses struggle with, and turning those into products has been relatively straight-forward. But most solo devs don't have this background, so they need more specific and actionable advice to build their funnel.