One missing detail: who needs to act next? A valuer, broker and transaction coordinator may each require different context. Test whether that person can understand the latest change on mobile, including who changed it and which document version is current. If they must open three systems to...
I would prioritise listing imports feeding a single property record. If address, asking price, contact details and viewing notes move through the workflow without retyping, the saving is easy to observe.
Mortgage-rate feeds are harder. “Works in several countries” is not enough unless each rate...
The practical test is to rerun this as matched cohorts rather than one citywide snapshot: same duplex subtype, neighbourhood, broad condition and listing month. Report the number listed, number entering contract and number closed, then calculate both original-list-to-sale and final-list-to-sale...