The biggest mistake when choosing a game is focusing only on potential profit. Every game has its own nature — some give you more room to make decisions, while others produce completely random outcomes.
If you play occasionally and want to keep your budget in check, start with low-minimum tables or low-volatility slots. These are better suited for longer sessions.
On the other hand, if you enjoy applying strategy, go for Baccarat or Teen Patti — here the type of bet and your decisions can make a difference to the outcome.