Saving the best for last is used in performances and shows, because if the opening act/performance is too fantastic the audience will get bored of the following acts. The closing performance usually has to be the best as it's the finale.
I used to do it as a kid, but once I grew up, I understood that I can make something that taste like shit less shitty if I combine it with something tasty.
I'm RepresentingGluttony, so I eat what is on the table, then I eat the table, then I eat the guests, then I eat the house, then I eat America, and I don't stop eating.