Is $1.50 really worth it?

I buy milk at my campus's store for 2.49 every single week.

Been a steady customer since freshman year.

So today, I went there and bought my milk.

Paid with flex and went on with my day.

That was until I noticed that the lady took 3.99 off instead of the usual 2.49.

I mean, I don't really want to go and make a scene because it's usually crowded as heck in there

The line is always long and they're so impatient.

So I got the milk

but I got jipped.
Is $1.50 really worth going back for?

-_-

xoxo

Rosie Anna

[EDIT: I went back and got my moolah. Whatever. DON'T JUDGE.]