(Disclosure: Along with a lot of useful information about dog gates, this site also links to an online pet supplies store, which I own, where you can purchase a quality dog gate.)
Should I get a Pressure Mounted Pet Gate
or a Hardware Mounted Gate?

A pet gate can come in an array of shapes and [...]

(Disclosure: Along with a lot of useful information about pet gates, this site also links to an online pet supplies store, which I own, where you can purchase a quality pet gate.)
A Pet Gate Keeps Your Pets Where They Ought To Be

A pet gate has a lot of uses, and for any of us [...]