[4.] Chinese Altar: Good position for Guanyin altar at new home & dangers of constantly breathing joss fumes

Dear Master We'll be moving to a new flat soon, and would like to consult you on a good altar position for our Guanyin which we'll be moving over from current house. Pls see our unit layout as attached. There are 3 potential positions we're looking at: A: right next to main door, with adjacent DB (databox) which cannot be relocated. Width is only 48cm between main door and DB. B: with bomb shelter as backing, outside kitchen. ? immediate position adjacent to main door when it's fully o
These are some considerations:- 1. Yes, unfortunately position A is TRULY too close to the main door. But there are some who buy a wall mounted "oval" shaped Guan Yin niche. But this means that it has to be hung very high. And even if it is hung very high; if fruits are offered; then the "pull out drawer" may hinder movement or if one is tall; could knock into. it. Worse still, if one accidentally bring in items home and knock parts of the wall mounted altar or even if it is a full table top al