i think it is, because in the year 2011 you can buy a Bitcoin for only 4$ and if you buy 100 Bitcoin before and you still have it now , then you are a millionaire , and if you buy bitcoin now it's late, because the price of BTC now is expensive
It is a little bit late to buy bitcoin, but the time is perfect. After continuous hike, bitcoin price is in continuous down trend. Very soon it will bounce back hopefully. So, it is high time to buy bitcoin. Buying today will be the source of profit for tomorrow.