Which one to stick with -- ReviewStream, Shared Reviews, or Ciao?

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I really wanna stick to one of these sites but am not sure which one pays the most exactly and is the most beneficial. REVIEWSTREAM I like it very much, its simple, you submit a review of anything, they pay you the flat fee and on top of that, you get $0.10 for everyone who rates it. The only problem is the site pays $0.40 per every review. SHARED REVIEWS $10 for every 5 reviews you submit. Sounds pretty cool. But what is the $100 "cap" per person? Does that mean I can keep writing 5 reviews for $10 until I earned $100 total and that's it?!? That sounds pretty stupid. Please correct me if i'm wrong. CIAO This one i'm a bit confused about in terms of how the earnings work -- So from my understanding... you submit a review of anything, they pay you an upfront flat fee (just like ReviewStream does) and ON TOP of that, you get paid for everyone who rates it as well (also like ReviewStream)? Am I wrong about the upfront flat fee? Do they ONLY pay for every member who rates it? How much is the upfront fee per review (if there is one) and how much do u get for each member's rating? Because this info I cannot find anywhere. Thanks.