Has anyone here tried some Paidsurveys?

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I was browsing the net and ended up with a site. The site published an article about ways to earn online. I have gone over the page and there were lots of testimonials from different people around the world who have tried earning by doing surveys online. Have anyone tried this? The things that scares me is the registration amounting to $69. You'll only pay that amount once and there you go! Isn't this a scam? I am a little interested on this. I want to hear from you.