The digital download or a boxed copy of QuickBooks Pro 2014 for Windows or Mac drops from $249.99 to $179.99 and then to $129.99 using the code 30084 at Staples.com. Plus, the shipping is free for boxed copies. This is the best price we could find for this popular business finance software by $50. QuickBooks lets you compile and track financial, tax and sales reports for your business in one-click reports. Sales tax is charged in most states.