For the same reason as tomatoes, vinegar can eat away at a seasoned cast-iron skillet, sending you back to square one.

Your grandma’s skillet may be a hidden gold mine, as 1950s cast-iron pans now fetch a fortune. Collectors are driving up prices across resale platforms ... Read more The post Is your grandma's skillet ...

There's no membership required for these big competitor sales. Amazon Prime Day—taking place this year, July 8-11—is one of ...