Bitcoin will back to one dollar, you wait for that good time.  Just kidding, you will never get that chance in your life.  Because when bitcoin becomes zero then the word bitcoin will be worthless in the world.  In particular, different experts have given different theories about Bitcoin.  They predict that Bitcoin will surpass 100k dollars after 2025.  Moreover, if you are currently experiencing a fall in the price of Bitcoin in the market, you will not experience such a fall in price in the future.  So if there is a chance you can buy some bitcoins.