micheal wayne investments the auto connection wont stop ruinning my life virginia Internet

went to this dealer in 2006 bought a nice car 2003 ford taurus thought the deal was good put two hundred down and got car.got a call two weeks later saying they need 600 mor dollars to make the deal work i told them i didnt have it then the young lady on the phone got real nasty with me so i took the car back after two weeks and chalked it up as lost money. then two weeks later i get a letter from them saying the car was repossessed and sold at auction and that i owed them 6000 dollars so now i have a repo on my record and it stayed there for seven years..fast forward today while in the prossess of getting ready to purchase a home in march this same company has popped up again for the same amount plus intrest in the amount of 10,000 plus the 6000 and wanted to garneish my paycheck when will it end i cant afford a lawyer now and i cant get that house i want because of them im to the point to standing in front of the place with a sign warning people but i might end up in jail