Albertson's doublers and B1G1 meat sale

Yesterday was the last day to use the Albertson's doubler coupons. I don't know of any other opportunities to double coupons in this area (yet) so I have to take advantage of the doublers when they come out. I get three copies of the paper which gives me three sets of three doubler coupons. The last time I used doublers, I learned that you can only use three doublers per transaction. So this time, I had all my transactions planned and set all my items on the belt. Three sets of three doublers would make three transactions to use all of them. When I got to the cashier she told me they've made a new policy which requires you to leave the building between each transaction. Oh boy, what a pain. She was very nice about it since I had all my items unloaded from my cart and on the belt. She rang up all three transactions with the warning, "don't do it again." Here is what I got and how much I paid.

Transaction number 1
4 boxes Kellogg's poptarts 12ct
2 boxes Kellogg's Rice Krispies, big box
2 boxes Kellogg's Frosted Flakes big box
They were having a special. Buy 8 items and pay $1.50 each. So the total for this part was $12. Then I had 4 coupons for $1 off 2 items. I could only double 3 so these coupons removed $7 making the total for 8 boxes, $5. I also bought:
2 Skinny Cow ice cream cups, small $1.25 each
use 2X$1 off any skinny cow product to pay $0.25 per ice cream cup.
Total for transaction #1 was $5.50

Transaction number 2
6 boxes Kraft Mac & Cheese for $0.79 each
I used 3 $0.55 off 2 boxes coupons and doubled them, making each box $0.24 (the price at Costco is $0.50 per box).
I also bought a bag of Jet Puff marshmallows for $1. No coupon but I needed some to make the Rice Krispie treats with the boxes I bought in transaction #1.
I found some chicken tenders in the meat dept that were priced at $5.24 and $5.14 with $3 off stickers on each package. Making the chicken tenders $2.24 and $2.14 for about 1pound each. I don't know if this is a good price or not but I couldn't pass up $3 off.
So, transaction number 2 was a total of $6.82.

Transaction number 3 had most of the meat.
I bought another 2 boxes of Mac & Cheese and doubled another coupon.
I also bought 2 bags of Mission tortillas for $1.99. I had two coupons for $0.75 off any one bag of tortillas which I double to make each bag cost $0.49.
I took advantage of the buy1get1 meat sale and bought four packs of round steak at $2.25/lb (adjusted price), two packs of fresh chicken breast at $2.50/lb (adjusted price).
The total for transaction number 3 was $30.29.

I recently found a list of "stock up" meat prices which I will be on the look out for from now on. Our freezer is pretty well stocked but if the price is right, I will try to take advantage of it to replenish our supplies.