Vistaprint offers 500 Standard Business Cards for $9.99 plus $4.99 for shipping. (You may need to apply coupon code "VPBC500" to see this price.) That's tied with our November mention and a savings of $10. Standard cards measure 2" x 3.5" and feature 14-pt. paper stock, a matte or glossy finish, and single-sided printing. (Premium paper stocks, finishes, and card shapes are available for an additional charge.)
Vinegar is arguably the most versatile product in your house. If you aren't using it for all of these purposes, you're probably wasting money.