“The scientifically perfect holiday” – Some pieces of information, which show us how to get as much as possible from a holiday, scientifically proven. When the whole thing is over, you are not necessarily happier. Also, too much selection can be a pain.
Even in retrospective you should use caution, because small things can spoil an otherwise great experience.
And if the question comes up, whether do spent the available money on a vaction, or to buy an item, consider the talk by Daniel Kahneman “Experience versus Memory”.
Do experiences make people happier than material possessions? And here is the link to a paper from the Colorado State University: To Do or to Have? That Is the Question.