[omni]

It's a question of degree. Your savings account with $100,000 in it will probably be worth about $100,002 tomorrow at current rates. The equivalent amount in Bitcoin might be worth much, much more at the rate it's been climbing.

[SkyMarshal]

Or much much less, and it has been known to fall precipitously as well.

[richcollins]

It doesn't matter if you keep converting your income to BTC as it comes in, because if you spend your USD income instead of buying BTC then you've effectively done the same thing.