Selling a home can be just as complex as buying one. Having a realtor by your side can give you an advantage over the competition, especially those who choose to sell by owner.
A REALTOR with the trademark symbol is a member of the National Association of Realtors, and include the title on their business cards because it gives them extra credibility. They are required to maintain a high level of knowledge about selling properties. They follow a strict code of ethics for the benefit of the clients and the industry.
This is from an article that appeared on Michael Putnam's website: http://michaelputnam.com/why-use-a-realtor-when-selling-a-home/