How to avoid fake Online earning sites?

Now days most of the Internet user still not aware they can Earn money by spending some time on Internet.

They even not aware that they can Earn money for doing the same activity what they are doing right now but in a particular web site.

Even they can Make money for joining social network sites which is now most popular things on network.

We spend hours and hours on social networking sites for sending scraps,images,watching videos,uploading photos for all these activity also we can Earn some money or reward.

SO as common user has no aware about this Some fake sites are coming with some fake plans to cheat people with fabulous offer to make Internet user rich in a short time of span.

new member do not have any knowledge or any experience they believe on those type of things and work on those sites and when they reach at minimum payout they do not get paid any money from that site so they started blaming all sites are like that.

But you can avoid such things:
Do not join any sites who offer you $1 just to watch there advertisements for 30 seconds.
(This is totally fake).

Do not refer any of your friend to any site till you do not get paid any money from that site or else you will be loosing him/her as referrer if once he/she get cheated from any of web site referred by you.

DO not believe on the payment proof posted in site (by the webmaster of the site or member) That member may also fake .

Do not join any websites whose minimum payout is $1000 and they pay too much money for your each activity.