that depends on what your selling
A Counter person.
You can get an estimate by placing a call or going into the repair shop or auto body shop and requesting a rough estimate on the cost it would take to repair your car
Some of the most common reasons a person would need to take their car into a repair shop are engine misfire, emissions leak, catalytic converter failure and EGR failure. All of these can be prevented from happening often with regular preventative care.
Hotwheels, $.88 if you shop around.
car upholstery shop will do that for you
Yes, there are many softwares that would be good to use in a car shop.
To help get the shine back I would recommended taking your car into a garage or car repair shop. For example, Kwik Fit will look at them and tell you how much it will cost to fix or how you can do it yourself.
you pay money to a person at a car repair shop and they will fix your car
It is unique for every person call them to get a quote for you.
The only foolproof way is to get your car Dyno tested at a shop. A tuning shop would have the equipment to do so. But if you don't want to pay someone, and your engine is fairly new, then grab the owners manual and look up how much it should have.
It is usually much cheaper to have an individual car insurance plan.
It can cost between $14 and $30 to replace a serpentine belt on a car. The price can raise to $40 or $60 if a person has it done at a car shop.