all business is moving to one or two owners nation wide. volume is the path to profit. the mark up on most new cars is a lower % than the taxes you pay. I find it interesting the same person that tips 20% over their restaurant bill want to pay cost or less for a new car. remember the sales person is paid commission only, no salary. If they don't sell enough they get paid min. wage and fired if it happens to many times. the managers are the ones pushing the games. on a new car no loan should be over 60 months especially with brands that depreciate fast.
best advice is do your homework, buy best value (which includes cost of ownership). remember when you negotiate you are also deciding what the sales person gets paid. the national avg. car sold per sales person is 10-12. if you tip waitress why would you not tip sales person if you negotiate car to dealer cost or less? personally I found cheapest price then tipped sales person $200 on a $25000 car which is less than 1%, seemed fair to me.