Hi welcome to the boards.
Tipping guidelines per person per cruise are
Four-night cruise:
Dining Room Server $14.75
Dining Room Asst. Server $10.75
Dining Room Head Server $3.75
Stateroom Host/Hostess $14.50
Soda Packages offering unlimited refills are around $5 per day bought for the cruise duration , otherwise there is a deck 9 drink station offering free juice, iced tea, tea, coffee, milk, water, etc , soda and juice, tea coffee etc are also free at all sit down meals but not at topsiders.
All food is included from breakfast to late night snacks , room service food is also free but tip around $1-$2 a go.
It is free to go ashore in all the ports but excursions are extra and range from $15 - $350 , you can also easily book independent excursions.
Bingo is $5 a card, smoothies $3.50 each , alchohol is not included but you can bring your own aboard and just buy the mixers, there's a coolbox in your room and host will bring you ice up to three times a day.
Movies and theatres are free
Photo Packages start at $89.95 but you can take your own or buy individually.
If you want any spa treatments they are extra and prices are on the
dcl website and also if you wish to eat at Palo it is $10 per person charge plus any tipping.
15% is automatically added to any drinks ordered.
Hope that helps a bit.
Traycie