When deciding whether a business concept is
 viable, it is essential to determine its competitive
 advantage and whether it is strong enough. While a
 company needs to do all of the following to be
 successful, barriers to entry are particularly relevant
 and must be carefully considered when attempting
 to
 sell to a market in which the
 competition is succeeding but is not
 so powerful as to make it
 impossible for a new entrepreneur
 to enter.
 a
 b
 sell to a market that is large and
 growing
 sell to a market in which the
 competition is able to make a profit
 d
 sell a product or service that solves
 problems consumers may have
 with the competition
 e
 sell a product or service at a
 competitive price that will attract
 customers