Your solution became your problem

You have a business, you're an entrepreneur and you want to sell your solution, your product or service. Or combined to a customer because that customer has a problem and you just want to solve it. And all the rest you think about is noise. Even marketing is noise. You always have to go back to the drawing board and think about, Okay, I just want this solution to be great for my customers? What's in the way? And everything that's in the way can be a wrong focus