How can I earn effectively ?

Yeah, you need to do some study or research before you really join a site, so that your time and effort will not be wasted. I have joined several sites that pay me, you may check out the opportunities from my website, listed in my profile. Hope it can help you to earn some. Some sites actually have quite low payout, so you will get your money very soon to prove to yourself it's a legit site.

Before joining a site you need to do your homework first. Search for payment proofs and scam reports. There are tons of blogs and forums, and even myLot than can help you with this. Sometimes you just need to be patient. Check how long you need to wait before you receive a payment for a certain site, since most do not have instant payments, and wait. You can check out my profile and also my blog for some paying sites. Happy mylotting

you should join sites which really pay. so check out my profile for some paying sites

Search for a legitimate site that will pay you. Mylot is one of the good site. Try also plimus.com.