Free water at Kroger

Here is my thrifty deal of the week. Kroger has a catalina deal going on right now when you buy Ice Mountain water bottles. They have stickers by the water bottles that say "Buy two and get $3.00 off of your next order". Basically when you go through the line, a catalina coupon prints out and you can use it like cash on your next shopping trip.
Get two packs of the aquapods (mini water bottles) which are $2.99 each. The first time you do this you will pay $5.98. Not one but TWO of the $3.00 off coupons will print out. I have no idea if this is a fluke, but I have done it 4 times so far and each time two coupons print out. What this means is that you go back to Kroger, pick up the same two packs of aquapods, and give them the coupons. They will actually pay you $.02 cents to take the water!!!
These little bottles are great for Kaleb so I plan to stock up while this deal is going on. You can do it with any of the Ice Mountain water bottles, but the aquapods are the cheapest.