We started a startup 8 months ago and have gained good traction. We are both tech founders with 50/50 equity, but I handle most of the technical side while my co-founder focuses more on marketing using his connections, as well as doing a smaller portion of the coding. I also come up with more ideas, but most of the time my co-founder is pessimistic about them. Our market does not have much competition. We offer cheaper packages than our competitors. While our competitor sells 5 items for $10, we sell 1 item for $2 (we also have 2 more plans that offer more items for a lower price). Recently, I came up with the idea of bulk pricing like our competitor since we provide more value than they do. However, my co-founder argues that our pricing is our advantage. I showed him many videos from YC and others explaining why this is not the case, but he doesn't watch them and believes that we are different, and what works for others doesn't necessarily work for us. We don't have defined roles like CTO or CEO since there are only two of us on the team. How do normal successful startups make decisions? Should we designate a CEO role? Even if we do, we would still argue about who should be the CEO. Please share your opinions and suggestions about our situation. Thanks.