I guess it is just me but as soon as I see "contact our sales" instead of price I turn away. Absence of perpetual license instead of monthly fee does not help either.
Mix in the risk that your high value users end up using the FOSS edition and it can get especially difficult.
https://cloud.arangodb.com/home
https://www.microsoft.com/en-us/sql-server/sql-server-2019-p...