According to an interview on Vulture, the Dianne Wiest cold open was Andy Samberg, Joe Lo Truglio, and Michael Schur's favorite.
First use of recurring joke "ya boring!"
Jake's "Ya boring" is said the same way Eleanor Shellstrop says "ya basic" from The Good Place (2016), which was also produced by Michael Schur.
According to Rosa's calculations, in order to make $7,000,000, the foot massage place would have to massage 100 feet an hour, every hour, 24 hours a day, for the entire year (365 days). That would mean they are only charging $7.99 per massage.