Groupon offers the Tech Mystery Box for $39.99. Coupon code "VISA5" drops it to $37.99. With free shipping, that's $142 off list and the lowest total price we could find. It includes randomly selected tech items, like wireless speakers and phone charger power banks, with six to seven items per box. One in 300 boxes will include anXbox One, Playstation 4, or Apple Watch.