Join the club!
Meaning: You can say "Join the club!" to someone who has just experienced something unpleasant that you've also experienced, or to someone who's in an unfortunate position that's similar to your own.
- You were conned by a bank into taking out a mortgage, and now they own your home? Join the club! We lost ours last month.
- Peter: "Bobby here just got sacked because a machine can do his job cheaper." Paul: "Yeah? Join the club, Bobby!"