Costco is the biggest warehousing clubs in the world. It would be well to have an understanding of what is a warehousing club and how it works. A warehousing club is a concept in retailing which was born in US in in late 1900. In this the company starts warehouses in strategic locations, and starts a membership drive to enroll members on an annual, renewable basis with fees. This gives the company large money periodically at little or no cost. The company stocks the various warehouses with all sorts of fast moving consumer commodities of well-known brands, procured relatively cheaply using scale of size benefits.

The only big investment the company makes is construction of warehouses at strategic places with facilities for quick transfer of goods to the buyer. The company does not involve in the transport of materials to buyer. The basic philosophy Costco has is, till date, is to minimize the cost and share the benefits with the customers. Members can buy any goods in bulk or in small quantities at wholesale prices. Normally there are schemes like gift coupons, buy three get one free to incentivize buying. Online payment is incentivized these days to reduce cost of cash transactions.

The first warehouse club was started by one Sole Price and his son, the Price club warehouse in old airplane hangars.

The company issues various coupons for discount sales for almost all products. Costco tire coupons are meant specifically to encourage members to purchase tires. There are different types of coupons for sales over net and in shop. These coupons depending on the type gives discount on various combination like 30% discount on tire and rim. Some are to be used in conjunction with a promo code. There are location specific coupons with added discounts. News regarding the days discounts are published on CNET everyday giving details of the various discounts for the day. All said and done, the company really takes care of the interests of their members.