Guys sharing my experience : 

So I decided to just purchase others posts for one day and let me tell you that I didn't expect the result .

Well my meta was 50 now its 40 so it decreased 

And my cashable was 16 now its 22 $ 

I mean it is a great experience I totally advice you to do the same just for people who have a lot of meta however if you not having much you should collect a lot from your posts than you could start this strategy .

Best of luck