My father recently passed and we were going through his things. He kept meticulous records on things like home repairs, his autos, healthcare. It would be a fascinating study of REAL inflation over the last 60+ years.
My favorite - my oldest sister born in 1955. Mom stayed 1 full week in hospital, sister treated for jaundice and low weight. Attending OB-GYN and anesthesiologist. Total bill? $250