i do though?! I want 3 free, along with 3 purchased!
You're missing the point.
Just tell them you don't want the free burgers when you order. I am sure they are more than happy to make more money from those you don't want. :)
That's what I'm hoping they don't want... we don't want 12 burgers, just one each, but the way it's worded it sounds like each of us would be getting a free burger when we order one. I just want to order 3, but don't want any hassle over there being 6 people with 3 plus 3 free! Might email them and ask!
Just get 6 people to order them separately. That should work.