3. Assimilate the ads
This is the most important thing that you must take into account. To make your ads as an ideal ways of income, you need to assimilate the ads color and style to match with your web content. One thing that you must bear in your mind is, the visitor browse to your web site just want to know what your contents are, not to look at your ads. So to overcome this you can make your ads look similar and thus the visitor may click on it accidentally. That is the idea, but do not rely upon it to much. Your contents must be fresh and interesting. Easy and enjoy to read.
4. How much would i earn from Google Ads?
This depends on a number of things, the position of the ads on your page, number of visitors you get, relevancy of ads and how well paid each advert is.
5. Constantly update adsYou can use channel tools in adsense account to check which adsense gave you the lucrative return. Then you need to liven up the less profit ads a little bit. You can do this by placing it at another part of your page or change its appearances.