you can expect a lot with bitcoin but you have to know that bitcoin will not be able to guarantee you because the price movements of bitcoin are difficult to predict and no one will know what will happen with bitcoin in the future.
BTC has been breaking the history in terms of volatility which it makes it being attractive. No one expected about its value and surely it will have a lot of surprises in the future years. Due to its function and movement, many were given an opportunity to used it in the community and I think many businesses has been adopting the system.