Some of bloggers made thousand posts but they doesn't get anything and some just made ten posts and they get hundred $ yes because their blog are The High-Quality Characteristics of a Web Page
Following are examples of what Google calls '
high-quality characteristics' of a page and should be remembered:
"A satisfying or comprehensive amount of very high-quality" main content (MC)
Copyright notifications up to date
Functional page design
Page author has Topical Authority
High-Quality Main Content
Positive Reputation or expertise of website or author (Google yourself)
Very helpful SUPPLEMENTARY content "which improves the user experience."
Trustworthy
Google wants to reward 'expertise' and 'everyday expertise' or experience so you need to make this clear (perhaps using an Author Box or some other widget)
Accurate information
Ads can be at the top of your page as long as it does not distract from the main content on the page
Highly satisfying website contact information
Customised and very helpful 404 error pages
Awards
Evidence of expertise
Attention to detail
If Google can detect investment in time and labour on your site - there are indications that they will reward you for this (or at least - you won't be affected when others are, meaning you rise in Google SERPs when others fall).
So never try to make a post without high quality post that useless and waste your time even you make hundreds posts
ADS HERE !!!