"Guaranteed Financing" Car Dealerships in MA

"Guaranteed Financing" Car Dealerships in MA?
So I'm 17 and I need to buy a new car. I'm looking to get a car for 7-10 grand, but I cannot get a loan. I have a job running a recording studio sometimes making $800 a month, but it's not "official" or whatever. My mom cannot get a loan because she has terrible credit, and will possibly be filing for bankruptcy. I can however put $2000 or maybe $3000 down. Are these "guaranteed financing" dealerships for real or is it some sort of scam?? and If there are for real are there any really good ones I should visit in eastern Massachusetts/ Boston area? thanks. BTW i'm looking to get a 2000-2002 BMW 3 Series if that makes any difference.
Buying & Selling - 1 Answers

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If you were 18, a subprime lender would finance you. But with only $800 a month in income, you could only get a $5000-6000 car. At 17, you cant enter into a legal contract. But you can buy a car for cash from a private party. At 18 you can buy from a buy here pay here dealer. Here is how buy here pay here car dealers operate You will often get a car that is worth (At wholesale) not much more than your down payment yet you will owe many thousands more plus a high rate of interest. For example, if you put $800 down, you might get a car with a wholesale value of $700-1200 and your balance to be financed will be $3500-3900 or more. Plus interest at 21-29%. On somewhat nicer stuff, say $1500 down, you might get a $2500 wholesale unit Yet owe $5900-6900 more plus interest. And at 21-29% that interest can REALLY add up. Most cars are sold as is. Any "service contracts" they sell are usually worthless too. Often , the car will break down sometime before its paid off . That's your problem, not the dealers and you cant stop paying because of it. So, TRUST me when I say your best bet is to save up $1200-2000, shop around for a really good deal from a private party, have an independent mechanic check it out only AFTER you are sure you want it and have agreed on a price. Then have him make sure its a good car. There is no such thing as a "good deal" at a buy here pay here car dealer. And BHPH dealers often know nothing or do nothing to their cars. They go from Auction to their lot to you. They have no idea whats wrong or might go wrong soon. And they don't really care. With bad credit,(Or no credit or cosigner) you simply cant afford to borrow....for ANYTHING. Now, all that being said and knowing how many people are, they are going to ignore my advice and buy from one anyway. As I said, THEY ARE ALL BAD DEALS. But, if you have to choose one, choose one who demand the most amount of financial information from you and trys to "set you up to succeed". They make more of an effort to buy a car that will last the length of the note and they will insist that you pay exactly how you get paid....if you get paid weekly, your car payment is due weekly. If you get paid every 2 weeks, your car note is every 2 weeks. Why do they want this and why is it good ? Because they know quicker if you are falling behind and there is a smaller chance of an emergency or monthly rent taking priority over the car note. The "better" of the BHPH notes will also try to go over your budget with you so that they can see how reasonable it is that you WILL pay as agreed. The bad ones don't care and will sell to you just to repo as soon as you are late. If they can see from your budget that you cant afford the car, they are less likely to sell it to you where the bad dealer will just sell to you to get your down payment.