I think the main problem is depending in your jurisdiction, if all your employees are contractors, and they are long time, which is actually masquerading-as-con

I think the main problem is depending in your jurisdiction, if all your employees are contractors, and they are long time, which is actually masquerading-as-contractors, you can get in trouble, in Germany for example I think it's two years max. Since this is a difficult subject, YMMV