Big Ben Rental Car

As a resolution I would like the option to purchase the vehicle without a down payment or a loan since I have already exceeded the blue book value of the carI've basically already paid off the car that I'm renting in weekly payments and have not received the customer service that I was owed although he continues to deduct money weekly from my accountI am currently without the vehicle that I am still being charged forHELP ME PLEASEI'm a single mother, a Christian and a good person