I went in yesterday (Columbus, OH) and used 8 like coupons and they all doubled, no problem. Today, I went in with 16 more and asked to do 2 transactions and she said that they are only allowing 3 like coupons, but can do multiple transactions. So, she made me do 6 separate transactions. Held up the entire line and the people behind me were getting frustrated.
For God's sake, just run the coupons if the register will allow you too. They are getting too ridiculous on this. It's not like I'm cleaning shelves.