I personally would never pay $50+ a day for what you described if I didn't drink achohol. I'm sure people have done this before but I wouldn't be a purchaser.
This is what is included in Royal Caribbean' refreshment package which is currently $22.99 per day.
What's Included
Coca-Cola Freestyle beverages
Non-alcoholic cocktails (mocktails)
Fountain soda and refills at any venue
Bottled still and sparkling water
Premium coffees and teas
Fresh-squeezed juices
Johnny Rockets Shakes
Coca-Cola souvenir cup