Most people will simply get confused and won't bother to understand. To illustrate in a bit of hyperbole; think of a polish as sand paper and wax as a film of oil on top of your car's paint layer. That should make it clear that its polish that gives your car that coveted showroom shine.
Used parts are often bought in an attempt to save money and these are usually okay. Often the parts are brought back or barely used because they were not right for the vehicle. Sometimes a car is stripped of its parts after being sold and those parts are used in other vehicles. There is nothing wrong with these parts except they have been used, but they are cheaper. You can get really high-quality gray and white salvage yard and accessories for a cheap price when you buy them used. You only need to weigh whether you want to spend more for new parts and have a longer life with them, or if you want to get the cheaper used parts.
I was not at all surprised because she had told me too many times that she's junking her old truck for a new car. She felt it was quite big for her now that she's going to drive it alone because her son just went to another state for college. "You mean the used car dealership downtown" I answered. She nodded and said that she bought a 2010 GMC Acadia at almost 40% less than what it cost brand new. She showed me her car and invited me to accompany her to drive this "baby" around.
However, the disadvantages of having a garage largely lie in the money and space involved. Garages are expensive to build as they are not merely three wall and a door. There is more to a garage, and the money mounts up. Aside from junk yards in harlingen , a lot of people simply do not have the space to build a garage. Even if they did, they would much prefer to use that space for extending the house, rather than building a room to keep a car over night.
With recessionary times around, your local Auto Wrecking Yard has never been a better place to help you save hundreds of dollars on auto repairs. You can find numerous Auto salvage yards in your state to help you find the parts you need to fit your vehicle.
Truthfully, used car parts will save you money. Obviously it is cheaper than buying brand new car parts, but do you think you'll be getting the same quality? That is something you should be concerned about. Fortunately, most auto parts recyclers will offer a warranty with their parts. They also have a full database which makes it much easier, and quicker to locate parts than at a dealership. Even if they don't have the part you need, they can get it to you pretty quickly.