As it stands right now, I have 75 nights for 2021. If I end up staying at all currently booked Bonvoy properties for the rest of the year, I will have 98/99 nights. There are a bunch of unbooked nights that COULD be steered to Bonvoy, but it might not be my first choice of hotel. Worth making sure a few more nights are in Bonvoy props? I have never made Ambassador before, are the perks and upgrades (both % of upgrades and quality) significantly better than titanium? Obviously a handful of extra Bonvoy nights isn't a huge commitment.