If its product catalog is ample or if this one is divided in different families, it will need a system that allows the client to choose different products to buy them in a same transaction. This type of system is called “purchase cart� and works of the following way:
The client enters the store and she goes to the product catalog, in him, as if she was in a supermarket, the client will be adding different products from his “cart�. Once the client has including in his cart of purchase all the products that wish to buy, the exit of the store will go, where there will be a listing with all the products that is including in the cart. In this page the client will come to make the payment by his purchase using his own credit card.
Once concluded the transaction, one inquires to him to the client and the salesman who the transaction has been realized successfully.
The system of purchase cart, can consist of individual pages for each product or product pages grouped by families or pages spawned from a data base, can automatically be calculated the IVA or the expenses of shipment, etc. The systems are many, adapting for each type of necessity.
It can find several options of purchase carts to install in his dominion in:
PHP Shopping Carts
http://cgi.resourceindex.com/Programs_and_Scripts/Perl/Shopping_Carts/
osCommerce
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