I'd say £4000 for food and drink and tips and purchases
plus whatever they actually paid for the flights and upgrades, 47 days' car hire cruise and Cabana Bay.
So
at least £6000 total for 2. And that's with being treated to meals etc, sharing yada yada yada, $5 gifts for family, being cheapskates and having barely any accommodation costs, and having already paid for annual passes for Universal and Disney.
Then add up 2 trips to DLP, DLP annual passes, 3 staycation cruises, multiple UK hotel/motel/barge/hut stays. Has to be 10K, and all funded by the PAYG sheep as no workplace offers that amount of time off in a year.
What will they do when the Universal and Disney tickets, airmiles and free accommodation/hospitality offers run out?
Guided tours and stays in their caravan?