When a Gurgle After a Flush Cost Me My Basement: My Third Flood

https://essaymama.org/when-a-quiet-gurgle-turned-into-three-flooded-basements-my-sewer-lesson/

When the first small gurgle felt like nothing: the build-up to disaster It started the way these things often do - with a sound you dismiss as part of old plumbing. I heard a soft gurgle after flushing the upstairs toilet. I shrugged it off