e97e341c_ting_business___Small_Business__Advantages
[0] Non-competition [Disadvantages] Non-compete clauses can be difficult to enforce, and must be carefully drawn if they are to be enforceable. [Advantages] 
Frequently, the purchaser of an existing business will get the benefit of a non-compete covenant from the seller (since the value of the goodwill the buyer is purchasing could be seriously undermined if the seller were to continue to trade in the same type of business). Even in a crowded marketplace, the non-compete covenant will remove at least one potential competitor.
Advantages and disadvantages of buying an existing business - Small Business
Advantages