Nate, same thing happened to me with Home Depot!
I ordered a box of 25, since that's the way it comes. When they "went to the back" to get my order, I was confused that it was taking them 20-30 minutes to get my order. I thought they forgot and someone went on lunch break or something.
Then they come out with this huge forklift with a load of an almost unimaginable size. I'm still standing there, wondering when my order will be processed. Then somebody says something like "Don't you want to sign for your order?". I'm like "Sure, where is it?" Then they pointed to the forklift.
I think they ordered 25 boxes! The lady at the desk was telling me "Oh, just take the whole order, they messed up". I had to tell her that one box was plenty. I know if I took the whole 25 boxes, somebody in the supply chain would be on the frying pan once they figured out their mistake.
Could have pimped it for some gear, though!