Precisely, beer costs money so "free as in beer" means "free as in money" as opposed to "free as in freedom" that means "free as in ideology" Gmail is free as

Precisely, beer costs money so "free as in beer" means "free as in money" as opposed to "free as in freedom" that means "free as in ideology" Gmail is free as in beer, but not free as in freedom, while RHEL is free as in freedom, but not free as in beer.