In gambling the point of no return I consider is when you double your initial investment and in terms on losing the point of no return is when you lose half of the money your money. As a gambler having no limit is the most terrible mistake you can make in your gambling journey and it can cost you your entire fortune.
Many people lose their money in gambling because of one terrible mistake which is continuing the game when you are winning, for instance when you gain double or triple your money I guess it is enough but some greedy gamblers continue the game so that they can win more money and in most cases greedy gamblers are always the losers.
Knowing where to stop and when to continue is a crucial thing a gambler needs to know so that he can succeed in gambling. Having limits and standards matters in the gambling industry.