Today's peeve!

We just returned from Walmart, a clearance sign "Special Kitty 20 pound cat litter $3.87 normal price $9.98."
So I load the cart full, 20 of them and at register it rings up $210.28.

(Shouldn't it be about $80?). So I ask a clerk to go with me, other end of store. "See?" And she takes a picture. Sign & exact product. She shows it to store manager who says they can't do that...the sign was meant for 20# bags and I got 20# containers! Exact same thing, just not in a bag. The stock person stacked what I got and forgot to remove the sign.
I'm sure I could call Corporate and get it for that price, but too much hassle.