Fox Rent A Car

I called to extend my rental til the following monday on the day it was due back (tuesday) three hours prior to its return time, they told me I'm good to go. The following day I get a message asking me when I'm going to return the car, I told them the same thing I said the day before. The next day I get a message around 730 after work telling me there was an issue w. The card payment. I immediately called back and no one picked up, so I left a message asking them to return my phone call. I give them til around 2pm to call me back then I call them and asked why they waited until thursday to call and ask about the payment when they should've taken care of it on Tuesday. They kept cutting me off and became very rude w. Me. I strongly suggest you NOT use these guys due to this poor customer service.