In the world of trading, it's never too late, if you understand how it works.

Speaking of investment maybe yes, you are too late to do it, you should not do it now, when the price of cheap Bitcoin 2018-2019 is the right time to do it.

However, if you trade futures, for example: hourly, minute and today is the right time you take profit, for that you have to really understand the movement of Bitcoin, miscalculation you can lose, right calculation you profit, it's a trading risk.
Before you make a trade you must have knowledge first, that's the key.