Whether they're in the market to buy a home, hoping to unload their abode, or both, most folks are aware of the real estate landscape these days. In a nutshell: Home prices continue to reach new highs, mortgage interest rates are low, and competition among buyers is fierce for what few homes there are for sale. But most buyers and sellers don't know much else about the competition, which could put them at a serious disadvantage at the bargaining table. Whether you're looking