In the game you can rent out homes/apartments/shops and build inside them.
One of the buildables recently added is called the Item Showcase. Here's a quick gfycat:
Players with the estate key can edit item showcases, take items and put them in, change the price. Item showcases can also be lock picked, so players can steal from them if you aren't watching over them. Next up we've got a new short and sweet trailer for the game, this trailer focuses on showcasing the various things you can do in the game, featuring gameplay snippets:
Check out the BadLads Steampage!