The biggest problem though is price stability, that is crucial when running a business with overhead.
Then you might be out of luck as I don't think that's going away any time soon. If you're quick with your exchange sells then everything should be fine.
Problem with that is, if they sell their bitcoin proceeds on exchanges they'll have to go through banks, and the banks will shut them down. Bitcoin price will not stabilize until both market cap and trade volume is much bigger. Right now it's too easy for a small-time whale to manipulate the price up and down.
Volume may or may not scale. I'm sure there are even more avenues too.