Gradually, in the Russian sector of the Internet, such a phenomenon as joint purchase, that is, pooling buyers to form a common order from a supplier in order to purchase a product at a wholesale price, is gaining popularity.
Now such purchases are made in two ways:
1) Standard - for the product you can leave a request. After reaching the required number of applications from buyers collect money, then the purchase and shipment of goods. Minus - the buyer has all the chances at the decisive moment not to pay for the goods, and if he rejects, the whole group suffers. This is a joint purchase in the classical form, which requires significant organizational work and is subject to human factors.
2) Advanced - to receive any product or service at a reduced price, it is necessary that the purchase reaches a certain volume. Therefore, such systems offer to buy some coupons that allow you to get the goods at a significant discount (purchased a coupon for 100 rubles - get the right to eat at a restaurant for 500). If the required number of coupons sold, they are activated and they can pay for the purchase. If not, the money is returned to the buyer.
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If we look at Yandex search results for the “joint purchase” request, we will see that interest in this scheme is growing at an astounding rate.

At the same time, the majority of sites offer to work on the “old-fashioned” system. Now the coupon system is used by only a limited number of sites - such as darberry.ru, biglion.ru. kupikupon.ru. In general, competition in the market is weak, which cannot be said about the English-speaking sector of the Internet. There, this trend has already been greatly developed - the sites groupon.com, livingsocial.com, buywithme.com, socialbuy.com, groopswoop.com are doing well, receiving significant investments. So, for example, LivingSocial received $ 25 million from investors, BuyWithMe - $ 5.5 million, but so far it beats all records of Groupon, which received $ 135 million. And the number of sites trying to win their share of this market is constantly growing.