It is never late to invest in Bitcoin so you are not late to the party. If you have this mindset of being late to Bitcoin, you mind end of getting discouraged to invest which will hurt you more than you can imagine. Instead of dwelling in regrets that you are late, what you should do is to draw a 10 years plan of Bitcoin accumulation and continue buying Bitcoin with your discretionary income without selling the coin. You will be amazed to know that at the end of the 10 years, you would have accumulated a large quantity of Bitcoin and the price would have also gone far higher than it is today.
Bitcoin investment is an investment where you may regret delaying. In other investment fields, it may be a good idea to gain sufficient knowledge and wait for the right time to invest, but you should not wait at all for Bitcoin investment. The more you delay, the more you will regret it. Since you will be investing for the long term, you should not worry about your value at all. If you want to take some time to prepare yourself mentally, then you can delay a little. If you have the ability and basic knowledge and feel ready to invest, then you should enter the investment ASAP. If you express your desire to delay the investment due to fear of market instability, it is just a deception of your mind, which is enough to make you regret it.