Wealth is could be earned by luck but it's not applicable to all people, so you would really need to earn it by working hard, being consistent, being knowledgeable and disciplined. So let's say that $50 dollar won't be enough for you to become wealthy to invest are you just gonna wait for your luck to achieve? People would literally take extra jobs or part time if you're a student just to have enough funds to invest. Well those examples you've mentioned might be needing a huge amount but little business would acttually a good start cause most successful person achieve it with experience. Luck and opportunity won't be siding on you if you can't even make an action to attain financial freedom.
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Luck is the result of a meeting between abilities and opportunities in any field, it is a definite sentence and this can be gained by everyone, so multiply knowledge, experience and ability This will be sustainable with something that is your goal to get as a success in life including wealth, we agree that this is not easy to achieve, because if it's easy everyone can get their goals, both in business investment and other seconds that can provide wealth to people who want it, are Making an expert in the field you want, it will lead to better and easier to get profits/income.
As a crypto trader I have started with 50$ and more then I have lost count on how many times I end up blowing my account myself, if it's that easy to turn 50$ into millions many people would have done it over and over.
There is also a difference between getting the wealth and be able to maintain the wealth, if someone luckily become wealthy they can still end up going broke because they lack the knowledge to manage the wealth.
You can actually turn 50$ into a big amount if luck is on your side, because I could remember how people make lots of money investing little dollars into Shiba inu and recently pepe meme token, it could happen, but if it does it's not over, you need the skill to manage such wealth.
The simple logic that you convey is wealth can be easily obtained because of luck, whether getting a lottery, investing in the meme token and whatever the type is to increase our money, and yes I agree if luck on his side he could, and yes it is true that Not necessarily he maintains his wealth easily, because usually it will cause hedon when we have not been able to manage the wealth that is obtained through that luck.