There is websiite called socipolland which is paying 0.20$ per referral

 

Now go to the www.microworkers.com and start campaign about 100 referrals that’s will cost you about 10$

if you create campaign for 1000 task workers that’s will cost you about 100$ and for 1000 referrals you will get about 200$ on socipoll and you are in 100$ profit.

 

Also if you have more cash you will be in bigger profit.

 

Also you could be get higher bonuses from your referrals up to 5$ per one referral.