I have both although with the predatory terms at Tilt coupled with all the fees they are making up I have reduced their exposure greatly. I would not be surprised if I remove them in the coming months.
As for Stars, I have them with favorable exposure and still get new signups and CPA commissions now and then. The thing that cranks me off with them is they are the very worst in paying on time. I am STILL waiting on last months pay. You would think the worlds largest, yak, yak, yak, would be able to afford to pay early on. Make no sense whatsoever.
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"People who are unable to motivate themselves must be content with mediocrity." ~Andrew Carnegie~