When you save your money on a bank the profit is very low, better invest it in ICO or buy bitcoin because as the time passes your money will be tripled, sometimes it will grow up into five times. Bitcoin is the nicest investment nowadays.
If you have enough funds then you invest in bitcoin. Compare to other online business bitcoin is more profitable. When the peice of bitcoin is low you can invest in it and hold it for long time. If you invest in bank the profit is very low compare to bitcoin. If you save the money the money qill be remain same as it is. At the same time if you invest you can get bigger profit.