I am not downvoting you but you need to check this. There is something called "nexus" and you can google it. You can get away with it but if you have employees

I am not downvoting you but you need to check this. There is something called "nexus" and you can google it. You can get away with it but if you have employees working more than a certain number of days in a state, you need to register your business there even if you don't conduct actual business there. This is what my CPA has told me and google confirms it.