Never. Cryptocurrency is very volatile and it is very risky to put all your money into cryptocurrency.
The golden rule: Invest what you can lose. Invest some money, learn the game, then this will come a second source of income for you.
Not a wise decisions to put all your salary into crypto wallet. Yes it is very volatile also always think of to be safe your money in other investment. It is also good to invest in different worth return of profit.