we don't have any gates or barriers. however we do live in a small, single level home so there isn't a concern regarding stairs (which i would def have a gate/barrier for). we also only have one child at the moment - i think once #2 arrives & gets close to being mobile that we will be looking into gates. DS is only just getting to the point where he can reach the door handles so we have been able shut doors as a safety precaution as well.

and i think it's like most things - only you know what works best for your family & gives you the most peace of mind.