On finding a business partner: do some sort of tangible work with them before you start on a larger project, make sure you've got some seriously deep social val

On finding a business partner: do some sort of tangible work with them before you start on a larger project, make sure you've got some seriously deep social validation of them and be sure you have a complimentary skill set. Oh, and liking them helps. My business partner and I were able to spend all our time arguing about the product rather than whose contribution was bigger.