Thumb Score: +13 Amazon has Dirt Devil Portable Spot Cleaner Machine for Carpet and Upholstery (FD13000) for $49.99. Shipping is free. Menards has Dirt Devil Portable Spot Cleaner Machine for Carpet and Upholstery (FD13000) + $5.50 Menards Mail-In Rebate Credit on sale for $49.99. Purchase this item in store to avoid any online processing fees…