Dell Small Business takes 45% off a selection of its Dell Precision laptops and desktops via coupon code "SAVE45". (Most are marked at 35% off, but the coupon yields a better discount; it applies to the regular price.) Plus, all orders receive free shipping. Some exclusions apply. Deal ends March 8 at 7 am ET. A couple of best bets, with prices after coupon: Dell Precision 3630 Intel Coffee Lake Core i7 3GHz Desktop PC for $679.44 ($556 off) Dell Precision 5530 Intel Coffee Lake Core i5 Quad 2.3GHz 15.6" Laptop for $1,038.40 ($850 off)