Its not too late you can buy now bitcoins when the price is low. Im sure that it will rise in the near future. If you have done that you must wait for the right moment to sell it.
If you don't want to take risks you can wait for bitcoin to rise and then buy it.
That is what most of the newbies will think in their investment in bitcoin, they need to buy bitcoins right now and just hold it for long term so they can have a good investment and this is the right time to buy because the market is falling and there are dips in the market which is a great entry to buy some cheap bitcoin for long term investment.
Well, the price of bitcoin in the current market is going down dramatically because bad news comes from China, many people are panic selling their bitcoin at very cheap prices, this is a very good time for us to buy bitcoin and wait, the price of bitcoin will soon recover. Never too late when we buy Bitcoin with low price but if we wait for the price of the bitcoin to rise again, it will be too late, we should not miss the opportunity, the strategy with bitcoin is just buy low and sell high, now is the time we should use that strategy