As slogans go 'mad' isn't the best for dentists. A manic dentist wielding a masonry drill above your open mouth doesn't inspire confidence! Fortunately, the 'mad' bit comes from the fact this one fired more than half his customers in a single day. You see, Dr. Paddi was miserable and his patients were to blame.
Pricing (perhaps marketing's most overlooked P) is frequently not given the attention it deserves. Perhaps you take a look at your competitors and think "hmm, well if we charge a little less / a little more than them then ...", or "it costs this much to produce so let's stick 10% on top." Of course,
This is a helpful way to think about how you can best focus your limited resources (time, energy, money, and people) so that you keep ahead of your competition in a meaningful way (in the eyes of your customers). Your customers will pick you if you are the leader in one of the three following