maybe have a nest egg for medical expenses?

or he can buy a gun in case his insurance denies his claim


grayruby

He should be comfortable with where he is putting his money.

It wont really matter, as time goes on, it will become a bigger part of his portfolio.

The percentage will rise because his 10% bitcoin will become more valuable compared to everything else he has invested in.

Stacker_Stocks

"Bitcoin is not appropriate for an 80 year old" (part 2)

I dont think it is a bad idea.
He should be comfortable with where he is putting his money. 
There is no reason to have undue stress.
It wont really matter, as time goes on, it will become a bigger part of his portfolio. 
The percentage will rise because his 10% bitcoin will become more valuable compared to everything else he has invested in. 