>I wouldn't quite agree that people will happily give you money for anything that makes their pain less. I think OP's point is that the customer is a better ju

>I wouldn't quite agree that people will happily give you money for anything that makes their pain less. I think OP's point is that the customer is a better judge of "worth" in the sense of money spent vs pain reduced than you are. It's impossible to do that worth test yourself. Expose to what you make to customers; see if they vote with their dollars.