These are some of the most frequently mentioned merchant tools which can be used to accept cryptocurrencies. With most of these tools, you should be able to instantly convert cryptocurrency payments into a fiat currency (e.g. USD, EUR, GBP) or leave it (unconverted) in their online wallet.
A major incentive to accept cryptocurrency payments is that it’s a lot cheaper. You’ll typically pay less than 1% in fees when you accept a cryptocurrency.