Long story short, we came very close to buying a home this past month, but after the regular inspection turned up a small amount of mold in the basement, we decided to bring in a specialist do air and tape samples from each floor of the house. The testing turned up extremely high levels of aspergillus and stachybotrys (black mold) on all levels of the house. I wanted to let people know how surprisingly affordable this testing was in the grand scheme of things ($350), and urge people to do this if you are buying a home (add an out-clause in your contract if you need to) or suspect issues in your current home.