Transcript for Extreme Couponing Tips and Tricks Revealed
central, here on ABC. Now, over to Amy. "Gma" investigates. Extreme couponing. We have tips to save you big-time. Mara schiavocampo with the secrets from one supersaver. Reporter: Feeding your family. These days, you need a lot more dough for food. Fresh fruit and milk are up 5% from last year. Beef up 7.5%. Eggs, up 10%. How can you save money on all those munchies? Judy says she has the answer. The mom of three says on average, she saves 75%. Did you pay full price for anything down here? No. Reporter: Judy is on a mission to help everyone save money. The this is holy grail of coupons. Reporter: Find as many coupons as you can. They could be on the products. They could be hanging off the shelves. This gives you cash back. Reporter: Tip number two, layer your savings. Don't use your coupon on a product if it's not on sale. Reporter: You're getting the milk free. And you get 50 cents. Someone is paying you to buy milk? Yeah. Reporter: Tip number three, before heading out, make a plan using your coupons. I make the list like this. Reporter: We headed to the big Y grocery store for a shopping challenge. We're going to buy the exact same thing. Judy has her binder full of coupons. I have zero coupons. We're going to see how much money she saves. Once in action, Judy offers another tip. When you find a deal, stock up. 25% off lean ground beef. Reporter: And you can freeze this. Exactly. A coupon for $1 off. That's going to take you down to $3.99 for two packages. Reporter: After 90 minutes, we're finally done. It was time for the moment of truth. This is what we spent on a week's worth of groceries for a family of five. $296. Reporter: Now, Judy's turn. Her total, less than $100. We spent almost $300. And you're paying $99. It shows you can it can be done. You can buy three-times what we bought. Reporter: Savings for one coupon hero.
This transcript has been automatically generated and may not be 100% accurate.