Many of these also sell you replacements (which you need often), and other homeware. If you think the type of data that ties a user with how big their home is,

Many of these also sell you replacements (which you need often), and other homeware. If you think the type of data that ties a user with how big their home is, how it is located, how many rooms it has, etc. is not valuable, you must live in a cave. I'm pretty sure this data is super valuable, and Amazon and similar companies would pay a lot for it.