MSN Money 5/4/07 - MSN Money
5 ways to shop for a living by Melinda Fulmer

Don't hit a sale without doing your research first. Start with a store flier to check out prices. Then use shopping comparison sites, check out eBay and look on bargain forums for other deals on the same types of items. Super shoppers and moderators on ... often offer up coupon codes (some that can be stacked together on the same deal) to use in conjunction with these sales.