Get a powerful expired domain name with lots of juicy backlinks. The more generic the name the better.
im from uk so i use unwanted-domain-names.co.uk
Order 50 pages of content written on 50 different keywords. (doesn't matter what)
Upload it all in wordpress as posts.
Add adsense and aff links.
Then wait and watch the pages rank.
Then make money.
We had £500 days with 4-5 of these type of sites.
Also you can use these sites for links to your other sites. Powerful