The First Gurgle That Changed Everything: What I Learned About Plumbing Checks Before Buying an Older Home

https://www.canberratimes.com.au/story/9118615/top-plumbing-warning-signs-you-shouldnt-ignore/

I learned the hard way. The first time my toilet gurgled when the neighbor flushed, I shrugged it off. The second time I ignored it. The third time my basement flooded and I stopped pretending that a weird sound was just "one of those things