Dell Small Business discounts a selection of its Dell Laptops and Desktop PCs during its Buy More, Save More Sale. Plus, you can spend $499 or more to bag an extra $50 off, $699 or more to get an extra $75 off, or $999 or more for an extra $150 off. (Discount is applied automatically in cart.) Plus, all orders receive free shipping. Deal ends March 22. A couple best bets, with prices after discount: