QMTL via Amazon offers the Tacklife HD40 Laser Level for $30.97. Coupon code "ORYSONAX" cuts it to $24.47. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.83.) That's $16 off list and the lowest total price we could find. It features a 131-foot range, multiple measurement types, and two bubble levels.