Customers appreciate a business that will give a little extra without charging more. He saw an elderly man of about 80 struggling to change a flat tire on his car in the parking lot. A few days later, a customer entered his shop needing major repairs on her car. The few extra minutes that my husband spent helping one person, turned him into the preferred mechanic for that entire family. Collect references or testimonials from satisfied customers.
Nothing speaks louder than a reference from a satisfied customer.
Find out who your competitors are that sell products or services similar to yours. The more you know about your competition, the better you will be able to adjust your own practices to compensate. Cheapest prices don't always mean better products. Keep your employees happy. If your employees are happy, they will make money for you.