Sorry, doesn't look addressed in the wiki but what if you use a fna and top off with 15k points. If later on due to dynamic pricing you notice that the new price only needs a 10k top off, is it easy to modify the ressie and get the 5k back?
Or do you need to cancel and rebook? And if so do the fna get deposited pretty fast so you can rebook again?
Thanks so much for the knowledge.