If you buy a house in central Austin, the odds are that it is different -- in one way or another -- from every other house in central Austin. When it comes time to sell your unique house, you may get lucky and sell for more than it's worth, or you may be unlucky and have it sit on the market for a long time. Setting a price is a key variable, but pricing a unique house is as much art as science.The issue is that the value of unique single family homes is subjective and highly personal. Every house . . .