Use technology and the Internet. No matter what some of the "older and more experienced" may tell you, you need the Internet to market in the real estate world today.
Activity in the first month of a listing is always the best, don't risk wasting it. Price too high, and scare off many buyers. Price too low, and you're leaving money on the table.
Studies show that home sellers who use a real estate agent to represent them generally get a better price than those who sell the home themselves.