Theres no late investing in bitcoin as long as you are investing for long term goal. But if you want to make the perfect entry, then always invest when the market is bearish because bitcoin price is surely at a declining price. But as Ive said, no need to worry as what matters is how you hold your bitcoin for long term. As long as you have been making DYOR before deciding to invest, and you are investing what you can afford to lose, then you could be a successful investor hopefully provided that you also have patience and determination to make your investment works.
Anyone from beginners is never too late to invest in bitcoin at this time because the price of bitcoin is still low when compared to the previous ATH price but it is highly recommended to invest when prices are lower during a bearish market, but investment advice for beginners must be able to allocate each fund as needed, for example Funds for investment are 20% of the total funds that you have, so these funds can be used for long-term investments without disturbing the allocation of other funds.