What are some sites which gives you information on how to add a shopping cart to your website?

I am now building a website though we do not know how to supplement a selling transport to a website. Could we discuss it me or give me websites which discuss it how to supplement selling transport to website (if probable free). we have additionally listened which a little hosting sites suggest this could we give discuss it me how we would go about environment this up if an association is hosting your site.

Does anyone know of a good online shopping cart that integrates well with an ordering system?

I now make use of 3D Cart for my selling transport as good as Order Motion for my sequence manager. They do not appear to work good together even yet they have been suspect to. we need the selling transport which can firmly send credit label info over to my grouping complement so we can set up automobile billing as good as automobile shipments to clients. Or only have the selling transport do this. Does any one have the suggestion? Thanks for your help.