Learn From a Master
Is it possible to eat well, eat low-carb, and eat very inexpensively? Yes! To learn some great tactics, you can't do better than follow low-carb blogger Regina Wilshire's adventure in attempting to follow a low-carb diet for a week on $3 per day:Regina's Reports on Her Week of Eating (a bit out of order)
Price Books
In order to save money, it's important to know what the standard prices and sale prices are for your area. Some of it you can do from sales circulars in your mail box, and some from jotting down prices next time you're in the store.How to Set up a Price Book from About.com's Coupons and Bargains site
Printable Price Book from About.com's Frugal Living Site.
Know the "Enemy"
Of course, stores are there to make money, not give you great deals. There are lots of tricks that manufacturers and stores use to try to get you to spend more. Donna Montaldo, About.com's Guide to Coupons and Bargains, has some great information:Before you Buy Groceries: Insider Tips on How Grocery Store Get You to Spend More
Tips for Lowering Your Grocery Bill
Using Coupons
I have tended to think that we as low-carb eaters wouldn't get much value from coupons, since most coupons are for processed foods. But there are certainly coupons out there for some low-carb foods, as well as non-food items. So why just leave that money sitting in a newspaper, magazine, or online source, when it could be yours? About.com sites have a lot to offer in the way of advice:Couponing 101 (Coupons/Bargains)
Advanced Couponing Strategies (Frugal Living)

