You’re not the only one who has this feeling. As someone who got into cryptocurrencies 2.5 years ago (It also seemed too late back then), I think you shouldn't spend your timing regretting on opportunities you missed.
Instead, you should make your first step ASAP and learn by getting involved.
What should you do?
Stay tuned - Read a lot about the different cryptocurrencies and try to catch up with the latest news.
Know where you are at - Try to understand how this market works and the main technology behind it Understand the Blockchain in Two Minutes
Trust yourself - 90% of what you read on the internet is bullshit, follow your instincts.
Learn the basics of technical analysis Crypto Investor's Guides - CryptoPotato
I hope it helps,
GuerrillaBuzz
Is it too late to invest in bitcoins? Definitely not. Today is the best time to buy bitcoins and I think you won't ever get pricing like these in the future due to the sheer amount of potential it might have in terms of price growth in the future. I also think bitcoins are done being called as bubble.