Thumb Score: +16

Jietetech via Amazon [amazon.com] has Neverland 150 PSI Portable Electric Tire Inflator w/ Auto Shutoff, Digital Gauge & 10,000mAh Battery on sale for $29.99 – 50% off when you apply promo code WNXWUO9M at checkout = $14.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.