BlueMagic 900 Carpet Stain & Spot Lifter (22-oz) $3.77 or $3.20 (with S/S) + Free Shipping
Amazon has BlueMagic 900 Carpet Stain & Spot Lifter (22-oz) on sale for $3.77 or for $3.20 when you checkout via subscribe & save. Shipping is free. You may cancel Subscribe & Save subscription any time after your order ships.
Walmart also has it on sale for $3.77:
Tried few carpet cleaners, but this one seems to be giving me constantly good results. Of course, it is not "magic", so it will not "magically" make your old carpet new