best buy carpet/upholstery shampooer

[triplets]

need to rescue my carpet and sofas before its too late, what is the best value one to buy?

[Indaba]

what ever you do, don't spot clean otherwise it'll go patchy....clean whole sofa/carpet

[phoebebouffet]

i was really impressed with the rug doctor we hired recently.

[triplets]

Are they expensive to hire?