Adsense & Amazon

What are some tips to increase Adsense & Amazon Revenue on a blogging WordPress site? I usually do eCommerce on websites but I bought this established site recently which is already earning a bit from Adsense & Amazon but how could I improve or increase the revenue? I don't really have experience in this side of IM

Here's 7 tips to increase your Google Adsense money :
1.Limit
2. Use Multiple Formats
3. Place a large rectangle above the fold
4. Content Rich Sites
5. High Paying Keywords
6. Generate more traffic to your site
7. Testing