People who have decided to play Texas Hold'em online should know that it can be done both without any real money at stake, but also with the opposite. For those who decide to play for real money, the first crucial aspect is to have a game budget.
How much money are players willing to play for? It's important to be realistic here. The amount the players come up with is the game budget. A player should never spend any money above that threshold. It will never go well. Sure, some players may end up winning, but most players won't.