Affiliate Marketing Secrets

I am currently writing a magazine, and another book pertaining to architecture. In the future I plan on writing more books, as well as selling other physical products.
I have a website, basic-laser.com which is currently just for my artwork. It runs on WP
Which is the best way to create ‘unique’ pages for these different products that have unique URLS and themese, but are all connected. Is there someone I can pay to do this?

I have a quick question Warriors. When promoting ClickBank Products, is there any recommended ways to promote a specific product using a specially created website specifically for that product? IE. I don’t just want to promote the hoplink for the product, I would prefer to have my own site that feeds into that product’s page, this way I can develop the traffic to my own site, and possibly even sell it later on once it becomes profitable in promoting the clickbanks.net product.
Are there any recommended ways of doing this? I know creating Blogs and Review sites are good for promoting multiple products in a specific niche, but what about promoting just one single product? How could I do that the right way through my own website dedicated specifically to that product? Possibly a Squeeze Page or something else?
Thanks! Your help is appreciated!

With minimal money to invest in advertising and SEO, is it feasible to sell from my own e-commerce site (already set up) multiple products i.e. Toys, Electronics, Kitchen Accessories etc. instead of having to pick a niche?
I can understand the logic behind finding a great niche but can i have any success selling multiple items instead?
Thanks.