when you keep your business income or money in Bitcoin it risk you losing some part of your money
You don't lose anything unless you sell
The better advice is not to hold in bitcoin what you may be forced to sell.
It's funny that because of how easy it is to sell bitcoin people often forget that it's not a security but rather a commodity. When you buy a car for $100k and next month someone offers you $80k for it, you won't sell, right? You know what you own and know that it did not lose value in such a short time.
At the same time people buy bitcoin for $120k and it hits $100k next month and they panic sell. This just proves that they did not value what they were buying and did not understand it. If you're one of such people, stay away from bitcoin.
Wish more people would know this. I see plenty of people think that the price fall means a loss, and that it is not but they do not see that. It doesn't matter how much a price falls, if you really want to make money then you just hold, and even do DCA if you can. I have met with so many people who lost money because they get out because they feared, that makes me sad because then they regret selling and they think it was a mistake.
The better way to invest is long term, that way even if there are some downtimes here and there, you would not have any issues to recover because you are a long term investor so what happens between when you bought and when you sell do not matter, in 5 years you could make so much profit, and ignore everything else.