Groupon offers the Pro-Lift 36" Z-Creeper Seat for $27.99. Coupon code "VISA5" cuts it to $26.59. With $3.99 for shipping, that's the lowest total price we could find by $10. This padded creeper folds into a "Z" shape and features six swivel casters and maximum weight capacity of 300 lbs. Deal ends February 18.