I can't imagine an all-day vape as it would be the same as having pizza every nite for dinner
That is a good point and the reason if I use a single flavor for a whole day I won't use it again the next

In my case, it's more "every day" than "all day". I'll vape a couple ml each of two different flavors and even if I do the same two for a few days straight they don't get too old this way