1. Know when is the right time to stop playing.
2. Set limits and monitor your money.
3. Safeguard your budget.
The best gamblers I know are constantly vigilant and always evaluate the balance between losses and gains.
And The best advice I could give to someone who wants to start gambling is probably to never start gambling to win. It's definitely the worst approach that in the long run leads to the financial ruin of any novice gambler.
Well, gambling is risky and almost all experienced gamblers know this. Winning in Gambling requires luck and unfortunately, we do not have control over luck. However, we do have control over our money and if we sensibly use our money in gambling, we can have good results.
Since you have now come to the gambling section of bitcointalk.org, you will have an edge over other gamblers. Here you will find all the pros and cons of different gambling sites and you will better know about gambling.