Hire-purchase system is not a contract of sale because the ownership right is not given to the buyer after the deal. He is given only the possession of the article and when full payment of the goods is received from the buyer, the seller gives the ownership right to the customer.

The basic principles of co-operative stores are:
(i) Open membership to all irrespective of caste, colour or creed.
(ii) Supply of unadulterated goods at fair prices and
(iii) Democratic management by followingthe principle of 'one-man one-vote'.

The full name of E-Commerce is electronic commerce. It is a paperless exchange of business information using network-based technologies. Through E-Commerce commercial activities like marketing, selling, delivering, servicing and payments are made through electronic commerce.

Installment system is also called, 'Deferred payment system.' Under this system when the buyer pays the first installment, ownership as well as possession passes to him. In case of default of payment, the seller can go to the court of law to recover his dues but cannot seize the article.

A consumer's co-operative store is a retail business owned and operated by consumers. The goods and services are distributed to the members. According to J. Stephenson, "A co-operative distributive society is a combination of persons whose aim is to economise by buying in common and, to retain their profits by selling in common."

Hawkers are petty retailers who sell their goods at various places such as bus stop, railway station, public park, etc

Speciality Stores:
Speciality stores deal in a particular type of product under one product line only. For example, Sweet shops specialised in Tirunelveli Halwa.

i. less consumption of time
ii. no salesman required therefore cost is reduced

A number of identical retail shops with similar appearance normally deal in standardised and branded consumer products established in different localities owned and operated by manufacturers or intermediaries are called as chain stores or multiple shops.

Retailing is the process of selling the goods and services directly to the ultimate consumers in small quantities.