So you can just drive a screw directly – no need to drill.
Have bricks that have pre-installed plugs built-in. You can have an instrument sensing and showing you where exactly the plugs are in the wall and just drive the screw in and hang the picture or shelve.
Bring old and new customers in, and provide a fun, social and useful experience.
Have a separate room dedicated to the sale. Only allow a set number of people to go inside at a time. Next person can go in when another one comes out. People have to register in advance. People go inside in registration order. Each person has a time limit on the stay inside. They get a wristband that will beep when time is up. Payment for the goods happens inside.