If you are talking as right now then obviously not a good time.
How would you interview them?
How would get to try them out?
What sort of gamble are you taking in regarding paying them? How can you pay them if you are uncertain of future income and work?
If you're talking in a month or so time, then simply at the moment you can't really plan that far ahead properly.
How are you going to get rid of your current 2 at the moment?