If you enter the park n a friend pass, after 3 can you return the next day free?

I dont think so. I think it is a 1 day pass only

No

Its only a one day pass

One day only.

No it's just for that one day.

I don't think so, I think it's day to day

I've never heard of them doing that but that's something to Guest Relations

Only 1 day pass

No its only a day friend pass

No, the pass is ONLY good for one day.