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Then show here that 'many' you are talking about.
You think the rewards from ref can consider a lot?
I have a quiet numbers of active referrals from freebitco.in doing clicks everyday for almost 6 months now. My average passive income for it is only 20k-30k satoshis. Well it does not a lot to me but good for covering transaction fees.
20k-30k is too low if you have active referrals. How many referrals do you have? I had about 120-130 active referrals and I used to easily make 0.01 BTC per day but that's when I just started using bitcoins. However, I do agree that these websites aren't worth when there are signature campaigns that pay 0.01 BTC for just 10 to 15 posts.
It depends on your promoting skills.I have seen people making 200+ coins from referrals/affiliate earnings and it included most of the popular exchanges and casino's or other similar gambling platforms.You can make significant amount of coins by referring top exchanges/broker other than faucet's to people.