It’s hard to do this when you have nagging salesmen trying to squeeze every last dime out for their own financial gain.
Get your loan before you go shopping. If you already have an approved loan, the process will take a lot less time.
If you are considering buying a vehicle from a private seller, make sure that you have it checked out by a mechanic first. If the person doesn’t want you to do that, chances are this car isn’t for you. There may be extensive problems associated with the car. You should not want to purchase anything without knowing more.