For me it depends on the site, the promotions, the reputation ( I am leaning down on only the best sites now) I feel 26-50 is a good avg for me some I get conversions at a 10 to 1 rate if it is a newer site, keep in mond I am mostly poker. Casino converys much better for me so I have been working at expanding this market. One thing I have learned and now working on is the better the content the better the conversion rate. Thus i am also working on fine tuning the content. Time will tell.
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"People who are unable to motivate themselves must be content with mediocrity." ~Andrew Carnegie~