If you compared the costs of the items and services that people paid for for their children in the 1950s to the costs of those same exact items and services today I would bet they were the same or cheaper.
1. https://ti.org/antiplanner/?p=18800
2. https://www.healthsystemtracker.org/chart-collection/u-s-spe...
3. https://ourworldindata.org/grapher/food-expenditure-share-fa...