The most profitable, most sustainable way to run a business is to find a group of customers who have problems that drive them crazy, and can afford to pay for solutions. Then, become obsessed with solving problems for these customers.
Many business professionals forget this simple truth. If you do not believe me, spend an hour in almost any established business. Odds are the firm has become more obsessed with selling than with solving.
LESS is a "little gem" of an eBook that remind you how to solve problems for customers, and in doing so make quite a nice living for yourself. It is not intended to tell you everything, but instead is just long enough to get you energized.