portraits usa Rip Off/Scam norcross Georgia

I cannot believe the rip off from this company portraits usa. I walked in at food depot and there was a woman there at a booth saying they were doing a promotional for mother's day and only 7 dollars for some portraits. If im not mistaken it was 21 portriats. I was told it was gonna be a 6 dollar seating fee so I said why not and I signed up. Fast forward to the day I was having my pictures taken I was told in a few weeks they would contact me to come and pick my photos up in which they did. The day I arrived to see my photos I found out the 7 dollars was only for one shot which is okay, but the lady kept trying to persuade me into purchasing a package. Finally I gave in and bought one of the packages and I paid cash for that. Then she told me she needed to charge my card a dollar for something that she explained. I agreed and today is 08/21/14 and I found out they charged my card $99.84 on the 19th of august 2014 and tried to charge my card $141.00 on 08/21/14 and had also charged my card $5.00 and $10.00 every week since June that I was not aware of. I was not even aware of them having to charge my card for any more money since I already paid for my photos cash. Ive been calling the number I have on hand and no one is answering. This is ridiculous. Its a scam. They take people's card information and make transactions months down the road. I never authorized for any of these transactions and I already paid cash for my photos so why am I being charged for what I am not aware of? The lady tried to sell me the oil painting and I refused that as I told her I would never spend $500.00 on an oil painting. I am so upset. This is stealing from people.