I believe one day we will have so many wallet devices to choose
and prices will be much better.
I think in 10 years you will be able to buy it in a supermarket
I am pretty sure of it.
If Bitcoin does remain the king for 10 years and you still hold some, you'll be able to buy the supermarket.
Thats why I'm in it. To buy the supermarket. Reasonable dreams indeed. :-)