For me it was "buy high quality pillow" because you sleep for one thrid of a day etc. I needed a new pillow anyway so I came to the store and bought the best they had. And it was … ok. Like it's a fine pillow but my sleeping haven't improved really, it's basically the same. So I was disapointed :(
So, which life pro tip disappointed you?
Not quite the same, but I switched to buckwheat pillows. This way you can shape it to fit however you like no matter the position. Takes some getting used to but solved my issues with most pillows. Sadly it also means no more pillow fights…