In my previous company there was a guy who used to run a tea stall. The entire stall was a extreme model of furniture hacking. Not sure where he got his ideas

In my previous company there was a guy who used to run a tea stall. The entire stall was a extreme model of furniture hacking. Not sure where he got his ideas from. His front door could be turned into a cash register + counter + door at the same time. The store was full of furniture hacks.