Are you expert in Social Marketing,Graphics Design,Article Writing,SEO Optimize this is way you earn alot without advertisement.

You can write good article with almost 200 words per post or you are good in another profession,Fiverr is the best place to prove your experience.

Fiverr is one of the best freelancing marketplace some years ago with so many services like Graphics Design,SEO Optimize,Article Writing,Article Rewriting, Social Marketing etc.
Register to Fiverr,create your GIG and start earning.

To GIG on article writing your service price is between $5 -$100.Also,you can grade your service like these:-
Basic
Price=$5,
Offer=2 post, 1 share
Standard
Price=$15,
Offer=5 post, 3 shares
Premium
Price=$25
Offer=10 post, 10 shares
Then the buyer will choose is choice for site.

Doing these you will earn almost $200 per month without sweating.
Source:Asifa Wale's Blog