Picture your mom’s house in Monument. There’s the cherry dining set she and Dad saved up for in 1994, the curio cabinet packed with figurines she collected for 30 years, and a jewelry box on the dresser that nobody’s opened in a while. You figure it’s all worth about what they paid. Maybe more, since some of it is “antique” now. Most of the time it’s worth less, and no one is trying to cheat…