computer code download project

Dear Expert Coder, Objective I would like help with a project. i would like to sell my own cds from my own web page and also to have the option of affiliate earning money when they point to my site.? The cd project would involve them having to download several cds for a one off price.? I do not want them to be able to pass on these details to anyone obviously for protection of my property so this needs to? be considered. ? also i would like them to have the option of clicking a link and having the cds sent out to them.? Automated through a system. What i have done. I will have my own domain, my own hosting dns servers pointed and a word press page. I would like help with the following in your response. 1 stratgey for deliever of downloads, what software would you recomend for taking funds and deliever and why. 2 Experience in doing step 1. 3 how best intergrate the option of having them able to purchase the cds online. 4 websites you have done that are a static one page sales page. thank so much for your help with this matter. Lee Bannister