1. Don't put the fish tank on the porch. What's evil at your door? Do you need a fish tank stopper? Besides, the fish tank can't be blocked. Generally, fish tanks are full of water, but if they can be made into stones to run, they can also be put at the door to deflate.
The position of sofa and TV can be interchanged. I don't even think it's necessary to be a porch.
Because there is no field investigation, we can only judge from the basic pattern you gave.