Amazon offers the Viair Portable Compressor Kit for $49.91. Clip the $9.13 off coupon on the product page to cut the price to $40.78. With free shipping, that's tied with yesterday's mention, since expired, and the lowest price we could find now by $17. It works for tires up to 33" and includes an LED work light, a 120 PSI gauge, and dual battery clamps.