Maybe it was the experience of finding the entire parking lot full, and having to park in a precarious spot on the street. Maybe it was the flood of Trader Joe's bargain shopping hormones that get sprayed on you at the door. I'm usually a pretty savvy shopper, I swear! But I thought this assortment of chocolates was marked $2.99.
I didn't realize my mistake until I went browsing online for other people's reactions. Turns out it was actually $10.99. ("That can't be right," I thought. But I tracked down my crumpled receipt from where the cats had been using it as a fun toy and there it is, $9.99, plain as day.)