5. Define Roles Right Away
It’s important to establish who is the boss, and no matter how equal you and your co-founder may be, there must always be someone with a little more power to wield when it comes to making tough calls and decisions.
This is too cut and dry. Instead, it is better to decide who makes which decisions. This way, there's always an expert making them.
Its about the 49% to 51% thing because what you do when both have 50% of the Voting power