There are shelves with mirrors in the shop. Opposite the door, okay?

Maybe, because your shop is located in the auspicious position of the north and south geomantic omen, but if there is interference from the opposite side, it will make this geomantic omen the worst, and of course, you can't use excessive methods. If your shop sells clothes and daily necessities, you can exchange it with a small jar of Feng Shui fish and put it in the left corner of the porch, so as not to block business and affect customers' access. ...