masters hardware, good guys 20% on ebay

Ebay is having a 20% off on purchases from a few retailers including Masters hardware, Good guys etc. The code is CTREAT20 I think
I bought some Gorilla Glue and a couple cheap planes from them. When I picked up my stuff. The Gorilla Glue looks remarkably like PVA. So after thinking for a few minutes, I went back to the store and told them that the glue I bought was Gorilla glue and what I got was Gorilla wood glue. Anyhow to cut the long story short, they stacked all the Gorilla wood glue where the gorilla glue were and obviously just picked one up and gave it to me without realizing, its the wrong stuff. Happy enough to swap it over as soon as I told them the difference between the two.