Eliminating the Class of Cofounder Problems

However, as the op points out, nothing is free (tanstaafl). Being a solo founder provides a whole new set of problems as well.

The biggest one in my mind is emotional support. Building a business is hard, and you have up and down days. I have had some miserable days as a company founder and derived enormous comfort from my co-founder. Yes, other people can help a bit, but they don't (and can't) have all the context.

The second biggest one is time. Depending on your business and runway and skills, two or more people can get a business up and running more effectively than one. Yes, as a software developer you can make sales calls. But when you are doing so, no one is writing code.

Finally, all the communication, goal setting, trust building and joint decision making that you get to skip when you are a solo founder? Eventually you have to do all of that with your employees (even if you only grow to a team of three or four). Not saying you should have a co-founder only to practice that stuff (which is hard) but don't think you're going to avoid it forever (unless you remain a solopreneur, in which case more power to you. You either have an enviable business model or a job you can't leave).