I think she was focused on not losing that $200 sale. The correct thing of course would have been tell the person " let me just finish with this ringing this gentlemen up, and I'll be happy to answer any questions you have". If you've ever had a small store you don't want to ignore any customer, but sometimes it can be hard to juggle more than 2-3 customers and give them all equal service at the same time. I would bet she probably doesn't get that many people in at the same time and just couldn't handle it. But then again, it doesn't hurt to remind them that's all you need and ask who is going to ring you up. It's usually enough to snap them back to you and finish the sale.

But if you say they do this to you all the time, then you never spend enough to make them pay attention to you, or they just don't know customer service. Either way, sounds like a relaxing evening in front of the puter, ordering parts with a frosty cold one is the best way to fix that problem! Having your own store can be a real PITA!!!!!