Target.com is having a sale on prepaid phone cards, knocking 15% off the price! If you regularly use these, now's the time to stock up. Doctor of Credit thinks this is the best discount we've seen from Target, who usually offer 5-10% off. Why should you care? Well, it's simple math. If you're already buying these cards, you're essentially getting a discount on your phone bill. Plus, you can stack savings! The author bought enough cards to last him for months and used his Target REDcard for an extra 5% off, totaling almost 20% in savings! Alternatively, use your Chase Freedom card with PayPal this quarter to earn 5x Ultimate Rewards points. It's all about maximizing those rewards!