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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.
0.01 bitcoin per day is really good amount of bitcoins for me and having 120-130 active referrals is rare nowdays. you are really lucky have passive earning like that.