We are big drinkers.

First trip was AI all the way. Second trip was half AI/half cliffs. Third trip was non-AI all the way. We discovered on the third trip we actually drank less. Not that we were really trying to budget, we just found that we became more "conscious" drinkers. (if there is such a thing, lol) We managed to hydrate a lot in between. In addition, our activities were much different. AI=lay on beach and drink ALL day long. Why not? It's included! Non AI=explore/lounge/explore some more.

All in all, I would say our trip cost is still about the same because the money we save going non-AI we spend on tours and such.

Just food for thought.