Not too late. Although the price might seem high today, imagine you bought in at $7.5k and it goes up to $25k, you'd definitely be glad you invested!
You will never too late to invest in bitcoin and anytime you can involved in bitcoin and in cryptocurrency. On the other hand, if you have a lot of money you must buy bitcoin and then hold it for many months or years so that you could earn high income. Lastly, get involved now and become millionaire in the future.