Taco Bell in Union City, TN SUCKS

I've had quite a few bad experiences at this Taco Bell. Here are the two most recent (and consecutive) of those:

Tonight I went to Taco Bell around 11:30 pm. I ordered 1 Volcano Taco with no lettuce and 2 beef and potato burritos with no sour cream. After sitting one car away from the window for 5 minutes and listening to the cashier catch up with her friend in the car in front of me, I finally got to the window. When I got to the window the girl told me my total was "$6.42. $6.48. $4.67, or something like that." I swear that's an exact quote. She in fact ended up charging my debit card $8.74 for someone else's order, while according to my receipt my order total should have been $5.67. At least she was nice enough to give me both receipts (that's a joke, of course). I then took my food home and discovered lettuce on my taco and sour cream on my burritos.

The trip before that isn't quite as eventful, but still worth talking about. I ordered two Volcano Tacos with no lettuce. When I got home with my order I discovered that one of my tacos was covered in lettuce. I can understand someone screwing up an order every once in a while, but it really does take a special kind of retardation to get one taco right and the other one wrong when I order two of the same thing.