Midas Midas ripped me off for $1500 of unnecessary repairs! Tucson Arizona

So here's my story, about a month ago, I started having overheating issues with my 99' Cadillac Deville. I took it to mida's in Tucson, AZ, North oracle road. They seemed really nice and assured me that they would fix my problem. So I had them fix the coolant leak which they claimed to be the issue. Then they started pointing out more issues with the car. They said I had a leak and that my axels, and water pump needed to be replaced immediatly, so I end up getting the work done. They also insisted on my putting on new tires, and I was okay with that because I figured my car would be like new after that. The total came to $1500. They jerked me around for a good week and a half, and when I finall did pick up my car, It was still over heating, so I took it back. Then they said, "oh looks like there's air in the system. We can get it out for another $59.99, so I agreed to do that. Three days later, I get a call, " hi this is mida's" " your car is ready for pick up". And I'm thinking okay awesome! I get to mida's and take my car, it's still overheating. So I take it back again. He says " sorry my friend" "lets check it out again". I end up leaving the car for 2 more days.. Now just to note, I have a wife and kids and this is our only vehicle and we're being jerked around. So they called me 2 days later saying that I need my head gaskets repaired and they'll charge me $2600, which is a great deal. I dont have that kind of money. They already suckered me for $1500 and they wanted another $2600. I decided to take my car back and leave from that crummy shop. They did nothing good for me except take all my money. And now my car is just sitting in my drive way. I dont recommend mida's to anyone. These guys are a bunch of crooks who are only out to get your money. It's actually pretty sad. Since then, I have been learing how to work on cars myself, because I cant trust mechanics these days.