One other thing I might add is to make sure your product isn't overly technical. Non-technical solo founders can do great if they are building mostly crud based

One other thing I might add is to make sure your product isn't overly technical. Non-technical solo founders can do great if they are building mostly crud based applications. As soon as the idea advances to include sophisticated technical elements it's nearly impossible for a solo non-technical founder to run the business without a competent technical co-founder.