If bitcoin is legally recognized by your government then you can undoubtedly start accepting bitcoin currency as your consumer's payment method.even no problem if you want to use others currency like ether or usdt. Paying with those online currency would be easiest way of payment for your consumers.even if you already accept bitcoin, then you can see how much bitcoin raised recently! So its good idea to accept bitcoin for your Online store as payment method but don't forget about fees issue
It is a good addition to your business, integrating cryptocurrency is the best way. But OP has to watch out for the volatility of the market and it could spell the downfall of a company, the only way is to integrate the transaction that updates per second as that is the minimum change in the prices. Another problem that I can see is that OP's online store integration of cryptocurrency will be a problem.