X 2 Good advice, I definitely agree.Think about what you'll do if you have a broody like my last one. She loved sitting on eggs, appeared to be an excellent mother, then started killing the babies as they hatched. I grabbed the last egg and popped it in the incubator and it hatched the next day. Not sure what I would have done if I didn't have an incubator. (Obviously she won't be allowed to sit again!)
Not saying it will happen to you, but it wouldn't hurt to borrow an incubator to have on stand by, and have the parts available to put together a quick brooder box if you have to remove the chicks.
Better safe than sorry.
Of course, everything will probably be fine and you won't need it - just something to think about!