As we all know the current real estate market favors buyers, and South Florida has been hit particularly hard by the downturn. Certainly in a more competitive market, a "slower season" (summer--but it is more of a year-round destination these days) would allow for greater negotiating power. But in the current market climate, season--on or off--would provide no distinct advantage. The mortgage industry problems may be more compelling influence, especially considering the costs of homes in that area. Hope that helps!