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No Need to Risk Your Money:
Buying Bitcoin through exchanges can be risky, especially for newcomers to the world of cryptocurrencies. Prices can be volatile, and investing a significant amount upfront might lead to unexpected losses. By accepting Bitcoin as payment for your products or services, you eliminate this risk entirely. You control how much you receive and when to convert it into traditional currency, making it a secure and calculated approach to acquiring Bitcoin.
Those are just alternative ways but in essence you are still buying bitcoins. Your products and services however have a monetary value that can be exchanged with other things of equal value, fiat is only a more concrete form of that value and is more acceptable.
In certain buying arrangements where you want to maintain consistency such as DCA, you will end up using money if your business performance is unpredictable.