What do you think?

is this true

or you can just, like, randomly quantum teleport

Technically this isn’t possible because of windows. If you have several windows in your room then no that door is not a portal because if you look outside it is the outside of your house but like I said if that room has no windows then it most likely has a portal disguised as a door.

true, true

That is very true

Yes exactly, also mirrors: the only thing from stopping you getting to the other side is your reflection

true