Real money online poker is legal and available in New Jersey, Pennsylvania, Nevada, Michigan and Delaware. It's also legal in Connecticut and West Virginia, but yet to go live there. The top NJ online casinos and Pennsylvania sites are the leaders in online poker.
It isn't easy to consistently makeR$50 orR$100 a day playing poker. Because in poker some days you will win and some days you will lose. However, if you want to makeR$50 orR$100 a day on average playing poker, then you should play low stakes cash games.