- get on and stay on the same page
- agree on both of your live's direction and commitment to a path has to be the same for the next 2-3 years
- have the ability to defer to each other in your area of competence
- have to be skilled at learning and getting anything done, whether its business or tech.
- know that your entry and exit goals have to be compatible. Some people want to get rich quick, others are happy with organic growth that scales as well.
- be able to have a disagreement and move on for what's best.
- remember it's not about who's right, but what's right. Have a overarching vision, mission and values that you agree with so you can test any idea against them to see "does it fit how we're trying to do?"
- understand that it's about creating value for your customers, not making your own lives easier through the latest technology that makes something easier for you in development
- remember building channel to a market is more important than anything you build.
- building a financial engine early is the biggest indicator of whether your partnership will last
- building a partnership that grows in to friendship is easier than the other way around. Build things with people who you have experience building things with, and if you're new to each other, see if you can build something small together before taking the plunge.