Aug 16, 2018: Mailed out I-751 for removal of conditions
Aug 17, 2018: Delivery confirmed
Oct 4, 2018: Packet returned due to missing signature
Oct 18, 2018: Re-mailed out I-751 for removal of conditions
Oct 19, 2018: Delivery confirmed
Nov 27, 2018: 35+ days later with no NOA letter, USCIS rep submitted new request for NOA letter
Nov 28, 2018: USCIS email received with confirmation of 11/27 call and estimate of NOA1 email or letter to be received in next 15 business days
Dec 3, 2018: USCIS NOA1 letter received! 😍(Notice was dated Nov 29)
July 3, 2019: Biometrics appointment completed
Sep 3, 2019: Green card received a week after approval letter! 😎🥂