It is fundamentally important to understand . . .
1. You need customers. The first thing you need to start a business, maybe even the only thing you really need, is customers. It all starts with at least one customer.
2. Who is your target customer. In detail. Not just generalities and demographics, not even just psychographics, but who is this person, what drives her, what does she really want from you, what does she like to read, eat, watch? Where does he live, and with whom? What does he drive?
3. Who isn’t your customer. Sometimes the secret to success is who isn’t your customer.