It is a common mistake that people also bet beyond their skill level. It is always a good idea that you are honest with yourself. Keep in mind that there will be individuals playing beyond your own skills. You want to start with small bets and see just how far you can survive against the pros on the table. You also want to make sure that you are playing with a strategy in mind.
It is a common mistake that players are doing online poker with high emotions at stake. This can mean that your decision making is clouded, and therefore you may commit errors along the way.
Always keep in mind that there are small differences between playing live poker and playing poker online. For instance, the number of people attracted on the table makes a huge difference. You also have to worry about the fact that a lot of people from different parts of the globe can easily go and participate in these set ups. If you are serious about playing online poker, be sure that you take note of your mistakes and practice for hours.