goldmark auto group sarasota promised to fix interior for 5 months then said no it's time for used car dealers get what's comming to them sarasota Florida

4 years ago i brought my w-2 in to buy a truck they lied to the lender and gave me a skyp phone number cause i needed a bill in my name then told me i was getting over 3k back in taxes i told the owner he was wrong i don't get that much back  then on my check in the memo taxes pending was writtin by me and told him only what i get in taxes is my down payment   so in december i could'nt trade it in cause the odometer was messed with before i bought it car fax came back dirty.   they said they will buy it back and get me what i wanted . they did and told me for the last 5 months they would fix the leather ,dome light, and get me a new dash . now after calling them for 5 month's they say no you owe us 3k from 4 years ago but they added 3k onto the price of this truck .  i need help getting my truck fixed i can't afford a lawyer !