In fact, not all people are businessmen by nature. Some feel comfortable being good performers or experts. Running a business requires a lot of effort, especially at the stage when it is just emerging, not everyone is ready for such a load. The statement "invest in a successful business" is very superficial. Like: “To be rich, just make moneymore and then you’ll be able to afford everything you want 
How can you determine with 100 percent certainty that a business is successful? In order for it to become successful, many factors must be taken into account. If there is a million, no matter what kind of money, that needs to be “put to work,” it’s better to distribute it so as not to risk everything at once. If there are ambitions for business, then you shouldn’t start with huge investments right away. It’s better to rehearse on a small model and then scale up. The same goes for investments, they can be in cryptocurrency, real estate, or other preferred options.
How can you determine with 100 percent certainty that a business is successful? In order for it to become successful, many factors must be taken into account. If there is a million, no matter what kind of money, that needs to be “put to work,” it’s better to distribute it so as not to risk everything at once. If there are ambitions for business, then you shouldn’t start with huge investments right away. It’s better to rehearse on a small model and then scale up. The same goes for investments, they can be in cryptocurrency, real estate, or other preferred options.Even with all money offered in the world, the ideas and businesses can fall - it all is playing out in different ways because there are too many factors to think about, sometimes, it's too much - especially if you don't have a dedicated team for it.
And I agree on your take to be cautious and start little by little - because risks are truly everywhere, crypto or not.