Hubert,
may I kindly suggest you also check out your website for any mistakes, such as........
We have instituted and 30 day Hassle-free guarantee, which states that if you are not satisfied with a particular area that we cleaned or if a pre-qualified stain comes back, so will we.
Good luck in your search, although I would much prefer a
Sapphire or Judson machine if I was in CA.