How do I go about getting a loan for a car?

There's so much I would like to know. I would like to buy a car for work. I'm willing to finance. But I know nothing about the process and I don't want to be taken advantage of by dealers. I looked on autorader.com and saw a Honda Accord 2008 model with 120,000km and it is being sold for $9,000. Do I just send a message to the dealer that I would like to buy the car and then follow up from there or do I try to negotiate a lower price? Also, how do I go about getting a loan from the bank or should I just do it all through the dealer? I make $2000 dollars a month. My only expenses are rent which cost $450 a month and groceries which cost $400 a month. So I would have at least a $1000 dollars left a month and I live in Canada.

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