im about to go to a car auction to buy a car....

and im just wonderin a couple questions

How much does it cost to get your windows tinted the cheapest and the most expensive???

How much does it cost for neon underglow lights the cheapest and most expensive???

How much does it cost for the gas and brake pedals to be replaced from the rubber ones to the metal ones, cheapest and most expensive???

and anything else that you think will be a good addition