There's nothing like an APH rate drop to make me fiddle around with our plans! I think on our last trip to Universal (about 2 years ago), our hotel arrangements changed about 5 times as the APH-discounted inventory shifted around.
Our upcoming Universal stay is 4 nights. Initial booking was for all 4 nights in a deluxe 2-queen room at HRH. (Thanks to the fact that my son and daughter are now teens, we really need rooms with 3 proper sleeping spaces, e.g., 2 beds plus a fold-out, which definitely limits our options!)
Yesterday while clicking around, I found an APH rate for nights 3 and 4 (but only for those nights) for a Jurassic World Kids Suite at RPR, offered at a lower nightly rate than the one for our HRH room. With the family's blessing, I booked it and will now have a split stay: 2 nights at HRH, followed by 2 nights at RPR. My kids may consider themselves too old to share a bed with a sibling, but they decided they weren't remotely "too old" to enjoy a lavishly-themed dinosaur bedroom!
Plus, while I know many consider split stays to be a hassle, my family loves them. We pack super-light so the unpacking and repacking never takes more than a few minutes, and we really enjoy having the chance to explore different resorts, pools and restaurants.
The downside is that by changing the HRH booking from 4 nights to 2, we lost the "Savvy Traveler" rate from the original booking, so my efforts to stalk an APH rate for our dates and HRH room category (which is not fully sold out, so it's possible an APH rate could be offered) have been redoubled.
Me, to the APH rate I am now seeking several times daily...