What is Affiliate Markting?

What is Affiliate Markting and really we can earn money by this?

Affiliate marketing is the process of earning a commission by promoting other people's (or company's) products. You find a product you like, promote it to others, and earn a piece of the profit for each sale that you make.

Affiliate Marketing is a type of performance based marketing in which a business rewards one or more affiliates for each visitor or customer brought by the affiliate's own marketing efforts.
Affiliate Marketing overlaps with other internet marketing methods to some degree because affiliates often use regular advertising methods. Those methods include organic search engine optimization, paid search engine marketing, email marketing, content marketing & in some sense display advertising.

a marketing arrangement by which an online retailer pays a commission to an external website for traffic or sales generated from its referrals.

affiliate marketing means making money online by just promoting other people's products.
it is considered as one of the best forms of marketing. It is a process by which you can promote other companies’ products and services online for a commission.
the commission may receive sale percentage or fixed amount, affiliate marketing is very beneficial and no need to invest the money in marketing, you do not need to create products for sale.
you are not even required to an own webpage. it is an easy and fast to start.

Essentially affiliate marketing involves a merchant paying a commission to other online entities, known as affiliates, for referring new business to the merchant's website. Affiliate marketing is performance-based, which means affiliates only get paid when their promotional efforts actually result in a transaction

Affiliate marketing is a marketing term by which an online retailer pays commission to an external website for traffic or sales generated from its referrals.