Open House

We are having an open house all weekend long. Trying to sell the place so we can start seriously looking in Texas. What a pain in the ass. This is the third week in a row. We are trying to do it without a realtor for now, so we can be flexible on the price and make the offer attractive for a potential buyer. Of course the traffic is considerably less, too. Anybody out there had any experience with this? Will a realtor let me demand a higher asking price? Is the comission worth the amount of freaking hassle saved?
Oh well.. off to wait for a customer...
Steve