The place of purchase of used equipment is of paramount importance as a reputable dealer or seller has a well-established. They do not sell on the streets. Therefore, it is best to avoid the purchase of equipment used in shops across the street, you can fly around the shops at night. Sellers and buyers attract prices or even heavy discounts or gifts with computers. If the buyer is not sure about the computer, you may well ask for documents related to the computer or can find out if the receipts are issued for purchase. The best way to tell is to check the serial number of the computer used to do with the help of those responsible for local law enforcement.

The buyer has every right to ask the seller about the reason for the sale of the computer used, where it was purchased and the nature of the payment. If the buyer is satisfied, you can go ahead with the purchase, otherwise you must go to the next seller. You can usually tell if the seller is genuine or not through their body language.
A person who sells illegal things are frantic movements will agree a price even for background with even a small amount of profit for him, most do not have a decent language, try to sell in a hurry, always looking around to find if someone is watching and will not make eye contact while the sale and so on.

This type of illegal sale of computers used to happen because the illegal seller has the ability to do free advertising. Also posing as a private seller, it is not necessary to provide a VAT invoice, making it free from any legal action against him. Therefore, it is not advisable to buy a used computer without a cash register receipt provided by the seller.