Personally I would go with a co-founder if you feel you can work together. I started my company on my own and it is the one thing I would do differently if I we

Personally I would go with a co-founder if you feel you can work together. I started my company on my own and it is the one thing I would do differently if I were to do it again. As people have said, having somebody to bounce ideas etc. off is hugely valuable.