Answer:
Step-by-step explanation:
1) the retailer first should sell the products which are useful.
2) The retailer first should sell all the quality products which will make the customer to buy.
3) He should be obedient about his products and should explain about the product in depth if customer needs.
4) He should ask them first of all the product which they are exactly needful for them. If not show them the low model of the product which is quality based and also financially feasible to the customer