Just an odd custy. Yes, I am also familiar with the flea market ways, and I think this custy wanted to initiate haggling.
Yes, milk has gotten expensive. It's most likely due to that awful winter. Sometimes we have it on sale for over a dollar off, and we sell out quickly. This wasn't one of those weeks. This man was only buying one gallon of milk.
Me: Your total is [price].
Custy: [price]? Too much.
Me: Yes. Unfortunately milk has gotten expensive.
Me: Yes, it's [price].
Custy: Too much.
Me: I'm sorry, but there isn't anything I can do.
Custy: [price]? Too much!
He wound up not wanting the milk, and I had to call a manager to void the sale.
Sometimes asking, "Are you kitten me?"