Bitcoin will be on sale like -20% or more 

If chain splits it will be a disaster and many people will want to get out. But for the long run you and all of us shouldn't be worried, why? Because if everything sorts good at end ,which will I am an optimist, price will reach new ATHs because it will get an upgrade which will enable ,us the users to send transaction less cheaper and confirmation times will be just amazing , there probably won't be a need for waiting a day for a confirmation in case of low fee.