what could the name be and can i do this legally for free?
      Answer1:www.multiply.com. =)
      Answer2:Im not good with names, sorry :[However, I do know of a site that will show you how to start such a site for free. Theres a link to it on my profile under "start your own business."Its what I used to start my online business. Best wishes!
      Answer3:Best bet and start google or yahoo search for e-commerce.