Gambling investment means not gambling but investing in casino bankrolls. To invest in any casino bankrolls, one should always start with small amounts until they understand how these investment works and slowly they can increase their investments over the time. If you want to gamble then even with big bankrolls also no guaranty of making a profit because you need only luck to make money from gambling.
Correct, in gambling, the investment does not matter only your luck and skills matter. If you have knowledge and luck, you can make a profit in gambling. But investment is no like that we need to learn a lot of things. And it will take some time to become a pro in investment. And you should have market knowledge, and you should have the skill to know how the casino sites are running. Becasue your profit depends on casino profit. And if you are a beginner in investing yes the small amount will help you to learn more about investing.