If the owner of the practice has been in business for 6 months, is 37 years old and wants to retire, you should be suspicious. The more valid the reason for the sale, the more realistic the seller will be in considering your offer. However, keep in mind that after five or six years or more, people do get restless or "burn-out" sets in, or people look for new challenges. Why the seller is selling is an important question-get the answer.