---Typically $15 (+20% gratuity), often on sale (currently $8.99 for our down under sailings next year).
---Yes. There will be plenty of people in your age demo.
No, it's the standard deal. That said, you could each open an account and get 60,000 points. You could also each get the Visa card from Royal Caribbean and get the same deal. $1,200 OBC, no annual fees. The points are usable on either line.