If you are a poker player in real life , going online and playing poker will be very easy. First before trying your luck with real cash you should play some free poker. There are plenty of places were you can do that. Also you should read some honest reviews about the poker sites. Usually gambling forums are the right place to find honest reviews. The players are very fast to give a negative review to a casino that scammed people or that are offering poor gambling experience compared to the big boys in the industry.
Online casinos have plenty of marketing strategies and can attract you an transform you into an addicted if you are not paying attention.Especially poker where you feel some times that the next hand will be for sure the lucky one.
So first you need to know the rules the classic ones, and just after to go for online poker. First try to play at poker rooms where the pot is small, go for $2 poker room, there are plenty out there. Choose also one that is medium populated.Chances to win in a medium populated poker room are bigger than in a full one.
Study your opponents, this rule is valid also in a classic casino also online. If you see that your opponents are strong this is due to the experience that they accumulated playing online. You should switch to another poker room and trying to avoid the sharks.
Also there are plenty of special events that will give you the opportunity to win some real big prizes at online casino. Participate at as many big events as you can and study the big players strategy, learning from the best will make you a winner aswell