What are some of the common ways salespeople add value to the products they sell?

A salesperson can do many things to add value in your products.

The ability of add value to a product is absolutely necessary. It can be done in some ways. It can be done providing advise and strategic support, have purchasing levels with benefits significant in value, have service level for clients. It is important to have a speed service.

It is important to understand that if someone already bought your product and liked, it will buy again, probably.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services