Hey folks, author here. I just wanted to know what you think, and whether you agree founders shouldn't spend most of their time fund-raising, but rather spend

Hey folks, author here. I just wanted to know what you think, and whether you agree founders shouldn't spend most of their time fund-raising, but rather spend time developing a product and talking to customers. What have your experience been like? How do you mitigate spreading yourself too thin? Let me know :)