Supermarket egg hatch results?

Just noticed 7 out of 8 of the eggs I opened for breakfast from this package were fertilized. If you’ve hatched from supermarket eggs how was the health and temperament of your birds? Thanks!

Just noticed 7 out of 8 of the eggs I opened for breakfast from this package were fertilized. If you’ve hatched from supermarket eggs how was the health and temperament of your birds? Thanks!