Amazing Dollar Doubler Trip to Martin's!!

I stopped into Martin's one day this week after work to take advantage of the Double Dollar Days!!! Here is what I ended up with...
3 Betty Crocker Potatoes $1.49 ea - $0.49 ea Sale - $0.40/1 MC doubled to $0.80 x 3 = 3/$0.60
3 Duncan Hines Cake Mixes $1.69 ea - $0.69 ea Sale - $1/3 MC doubled to $2 = 3/$1
3 Kool-Aid Fizz Drink Mixes $2.19 ea - $0.19 ea Sale - $1/1 MC doubled to $2 x 3 = 3 FREE
2 pkgs I Can't Believe it's Not Butter Sticks $2.49 ea - $0.49 ea Sale - $0.50/1 MC doubled to $1 x 2 = 2/$2
2 Hillshire Farms Smoked Sausage Rings $3.99 ea - BOGO Free Sale - $1/2 MC doubled to $2 = 2/$1.99
2 Breakstone Sour Cream $1.89 ea - $0.80 ea Sale - $0.55/1 MC doubled to $1.09 x 2 = 2 FREE
+ Tax $0.18
Total OOP: $33.03 - $27.26 Sales & Coupons = $5.77 oop!!!!!! Savings of 83%!!!!!!!