If you start something but are unlikely to make good money, and your only motivator is to make money, then it will be though. Start your sales/marketing at day

If you start something but are unlikely to make good money, and your only motivator is to make money, then it will be though. Start your sales/marketing at day one, eg. try to sell your SaaS before you start developing, have at least two customers at day one, don't have to be paying customers (unless you are more of a consult), but they should at least be committed to beta testing. I spent 3 years making a product, which turned out to be impossible to sell...