Hi Robert.

Welcome to the forum. Setting up an ecommerce site can be as cheap or as expensive as you want it to be. The only expenses you HAVE to pay for are the purchase of a domain name and hosting, everything else can be acquired free of charge, though a little work from yourself will be required which isn't as difficult as some will have you believe. If you post your requirements, someone on here will point you in the right direction.

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Lawrence