Gooloo via Amazon offers its Gooloo 12-volt DC Digital Tire Inflator for $29.99. Coupon code "EFWU9OQN" cuts it to $19.79. With free shipping, that's tied with our January mention and the lowest price we could find by $14. It features an auto-off function, max pressure of 150 PSI, LCD display, and anti-leak nozzles. Deal ends March 30.