Stealth houses, so-called, were on Sublett’s personal list of bad calls. He said the air in them was toxic. Rydell didn’t think it made any sense, but he was tired of arguing about it. Stealth houses were bigger than most regular houses, cost more, and Rydell figured the owners would pay plenty to keep the air clean. Sublett maintained that anybody who built a stealth house was paranoid to begin with, would always keep the place locked up too tight, no air circulation, and you’d get that bad toxic buildup.