cage bar space

Hi everyone, So I know for 'tiels the bar spacing is supposed to be 1/2"- 5/8". After much research I am close to giving up on finding a large wheeled cage that has the correct bar spacing cage and just get a cage that's bigger than his current but not as big...

So with our dog recently passing away. We decided to get an animal we've never had before because its way too early to get another dog. So we decided to get a Cockatiel after a little bit of research. So I think we've gotten everything needed for the current care of the bird. Few ladders for...