Is there really a future for it? Where would btc be used instead of your traditional cashless money via debit/credit cards etc?
First of all, bitcoin is not meant to erase the use of debit and credit cards. It's just some sort of additional option.
Is bitcoin has future? Why don't check it for yourself since you already have some bitcoin on hand.
And why would it be only more expensive over time?
Price volatility.
You will know soon what is this all about as long as you are building your experience in bitcoin world.