Consider Crypto your second half-time job or as a hobby that you can invest your main income into.
For that matter, I`d keep some portion of my fiat income just in case - if the economy of your country is stable, this is a good back-up plan.
It's not that easy as I have serious health issues and even simple activities are difficult for me - here's my topic on that matter: https://bitcointalksearch.org/topic/is-there-any-hope-for-me-sold-too-early-health-problems-5047033
And that's only part of my problems, maybe someday I'll make a movie about my life