Starting a new business or keeping the old one running can be expensive. So why spend big money on business cards if you don't have to? This weekend at Office Depot , 100 of their Value Full-Color Flat-Print Business Cards will ring up at a mere $5 when coupon code 23885515 is used at checkout to knock 50% off the price. Use your own design, or choose from many ready to use templates that will provide professional looking cards. Keep taking advantage of this coupon through 03/09/2013.