NATIONAL MAGAZINE EXCHANGE 2nd time i delt with this co. promise a certain amount of mag. for 1 price then add on more and charge more. i have never received any mags just bills, tried to cancel order same day but they said the clearwater, Florida

this is the second time i have delt with this co. the first time they would only bill me and i never received any magazines. first they say you will get 5 at one price then they say just for getting those they would include 7 more for free but yet the price changed and were charging me for all of them, even the free ones. so i told them to cancel my order that day and they said they could not. but would lower the price. and i told them to cancel it anyway. they said no. so i havent received any mags but bills saying they would send me to collections if i didnt pay within 5 days. we are supposed to get to review the ones we ordered for 30 days . and if we wanted to change any of them we could. but ive yet received any to review. this is a scam. please help! they will not work with me they say im stuck with it.