Commit and push to live site without testing on Friday and being super confident about it.

And the payment system stop working on the weekend

Seems like someone else needs to pay for those rounds of beer 🐒

This reminds me of a script, fully tested in dev environment (aren't they all?!), deployed to a production system Friday evening wiping geodata of all national emergency call centers. Crazy weekend.

We were able to quickly restore the functionalities using fallback servicesbht it took days to fully recover.