To find coupons for Rug Doctor rentals, search sites such as CouponCabin.com, RetailMeNot.com and Coupons.com. All three websites offer a changing inventory of coupon codes for Rug Doctor machine rentals as of 2015.
When visiting each site, type “Rug Doctor” into each site’s search tool. This initiates a search for coupons for Rug Doctor. Click the link on each coupon that interests you to read more about the coupon or offer. On RetailMeNot.com, look for the success rating on each coupon, indicated by a thumbs-up or thumbs-down sign. You can also read reviews of the coupon from other site members.