Homemade Carpet Cleaner For a Kirby? I have a New Kirby Model and I would Like to Know...

I have a New Kirby Model and I would Like to Know if anyone have a Good Homemade Cleaner For the Shampooer. I went to the Kirby Store and they considered necessary 20 Bucks For a salution For half my Carpet. I be wanting something Homemade Cause I have a Dog and four year prehistoric and one on the way. also any Carpet Fresher Ideas
Stupid fleece jacket!?
Answers:    Vinegar and hose down doesn't leave the soapy residue and cleans fabulously.
hot river and baking soda. You'll be AMAZED at how long it stays clean!
Washing a signed strip shirt??
I use gooey tide for the shampoo & plain white vinegar for the defoamer. is cheaper, smelled better & no chemicals in it. I hang on to on hand a bottle of shout mat for spot washing.