I want to learn to build websites and put ads on them

i know nothing about website designing , affiliate marketing .

1. Please give me a step by step guide to do all this.
2. Also I wanted to ask that can i put ads and paid product links on free websites like blogspot, tumblr , wordpress etc by editing the website's code ?
3. How do i get qualified for google ad sense ?
4. What are some other trusted ad providing websites and how do I qualify for them ?
5. How much income could be generated from a tech blog website ?