1. Yes. Have lots of money to buy what they sell you.
2. No. Not yet at least.
3. Maybe. I haven't had it happen yet, but they sure do take my money for what the station needs to start producing.
4. Eventually, maybe. No.
5. Just put docks all over it, then exit build mode. See which ones don't work, go back in build mode and delete them. You'll see the runway lights pop up if they work.