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What are the best programs for this?
Well, it looks like you are affiliating to these gambling sites.
There are a lot of review websites here or a list of gambling sites. Just one question, --those people who wrote their review is real? Perhaps they are not, all they gave positive feed and I think the best is to have a genuine review.
The best program are those players can able to test the site for free, just faucet or bonuses. These perhaps will lure gamblers.
When giving reviews or feedback, just be honest and transparent. Or better yet, give the pros and cons so at a glance, the player can see what the casino site can offer. And aside from the faucet/bonuses/rewards, if you can add also if the casino has license or not. Because with so many gambling sites these days, it is better to trust your money in at least a licensed casino.