Some of those people who have been into bitcoin investment for the past 10 years have made a good fortune. I consider myself new to Bitcoin because I just got interested in it in 2019 (4 years now) and I couldn't hold anything more or less than $10 worth of it, even in 2020. But in 2021, I got a little hold of it and made some profit when the price pumped in 2021. I believe I will definitely make a fortune too if anything bad doesn't happen to the crypto market in the next six years, because already Bitcoin is facing lots of attacks by people just trying to destroy this technology.
It won't be too late if you invest bitcoin from now on for up to 10 years, there is no definite time limit as long as you can hold more bitcoins and continue to accumulate well then you will become a strong person holding them.
I know 2021 is a good year where prices are rising and bitcoin is high, but you have to remember that bitcoin will be much higher if you hold it for 10 years but what is clear is that you have to be ready to buy bitcoin from now on in any way.
Let people make the bitcoin situation worse with lots of FUD news spread we have to take advantage of that opportunity when the price has started to decrease due to many attacks here we buy slowly.