You can buy slightly damaged accident cars cheaper than you would if they were only used. This is a very good business in some countries where damaged cars have a very little or almost no scrap value. In the case of severe damage, the cars are cannibalized for replacement parts and turned into quick cash.
Cars that are not exactly in the best condition are traded on the market at very low prices. More and more drivers are aware of this fact and therefore, play with the idea to buy damaged vehicles. After all, cars that were involved in accidents and were severely damaged are sold at very low prices and people who buy them can really save on the purchase. In most cases, drivers with experience interested in that kind of cars are not throwing their money. On the contrary, they know quite well how to make use of every penny they spend.
Of course, the type of the vehicle damage has to be distinguished. Not all damages are repairable. It would make a difference, whether in a car accident, only the fender is dented, or whether after a serious accident from the rear, only half is left. While the damage in the former case, is considered relatively easy to fix, it looks in the second, quite different. It is quite clear that the purchase of such cars is only for professionals.
Private car buyers, who have limited knowledge of vehicle engineering and repair, should decide for vehicles of the first type. They should also buy damaged vehicles only if they are pretty sure that the vehicles actually are technically in order and the damage can be repaired relatively easily and for little money. Other vehicles, sold to non-professionals, can give the buyer a very hard time, empty his pockets and consume his time and energy, and all might go in vain.
Severely damaged accident cars are only for professionals. They know that there is a very good catch when they decide to go for such opportunities. They spend extra money to return the vehicle again to be in shape, suitable for driving again. Those repaired vehicles are either resold again into the market or fixed to be shipped and sold in other countries abroad.
In the case of cars which are too difficult to be repaired, they are useful in providing spare parts. There are people who are specialized in salvaging damaged vehicles and getting out reusable spare parts. The sale of the items can be quite rewarding.
If you are interested to take part in that business, you have to have very good experience about car repair and auto spare parts. You can gain such experience by talking with people who have experience in the field, visit well-reputed auto repair shops and have a little talk with the technicians over there. You also have to read a lot about the subject and work on a small market study to see if this is the right business for you.