Agree pro quarterly, snd mine have their own commercial grade machines they use for to keep them from the condition you mention… A large number of renters are horrifyingly unable to control their often willful vandalism of common carpet with everything imaginable and then not picking up after themselves. They could at least calling their rental office. Too many years in this game to expect different from our customers. So we adapt, that’s what we do in property management. The fact that you are seeking solutions is testament to that.