First time doing business with these people...and ...

First time doing business with these people...and my last.
They overcharged my Paypal account, and their excuse was that "yeah, there's currently a glitch in the system..." They had no empathy and didn't even apologize. When I asked when I would be refunded, there was a long pause of heavy breathing and I was hung up on. Interestingly enough...they have disabled their review/rating system on Facebook.