Some advertisers pay a lot with Bidvertiser. Recently I've been on the advertiser end of things and I've been paying $1-2 a click. So if you caught my ads on your site, then your payout would have been quick
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There is a lot of controversy about Bidvertiser and how they are scrubbing publishers of their clicks or closing accounts without notice. I've felt a bit of this on the advertiser site. They accepted my ads, then when I added a fullstop to it, they rejected it!