I often play Web3 and chat with friends who do the same. We realize that

making big money usually happens within three to five years.
Big gains are made in three to five years; if you have it, you have it, if not, it’s gone.
There is a very foolish idea: opening a store or a company, hoping to run it for a lifetime and support you forever. This is a very dangerous mindset.
The reality is: you must save enough for your future ten years’ worth of living expenses during the three good years. Then, at the peak of your business, you sell it, and in the following days, you relax, observe, and explore the next opportunity, looking for the next trend. Never hold on stubbornly, or the outcome is often losing all the profits from three years and ending up heavily in debt.
Long-term operation in a field you are good at is a kind of luck, but stagnating in your expertise often leads to a bleak ending.
Either seize the trend or keep improving within your field; if you don’t advance, you will fall behind.