Gambling does not guarantee that you can double your money. In fact, investing all your savings in gambling is usually very risky and may result in serious financial losses. Most gambling games are designed with a "house advantage". In the long run, players lose more on average, and the results of gambling mainly rely on luck rather than stable and predictable returns. If you hold the idea of "doubling", you are likely to lose more, or even all your savings. It is recommended that you do more evaluation and rational thinking before making any major financial decisions. If you have extra funds for investment or entertainment, you can consider participating moderately within your budget and ensure that these funds will not affect your living necessities and future plans. At the same time, if you are interested in investment or financial planning, it may be helpful to consult a professional financial advisor.