Understanding the barcodes can help when using coupons. I don’t reference them very often, but do occasionally. Either way, a little extra knowledge never hurts. -Note: cheating using barcodes is completely unethical, and I do not advise doing it. In fact, I’m not even sure how to do it…I’ve just heard that people do it. UPC/Coupon Barcode Information 1st number… Read More
