Install a separate access point with isolated networks.
category : Technical
Backup, delete, and restore works wonders.
When your CPU… errr… stops working.
How to restore from your backup after your computer dies.
How to pull it apart (with pictures!)
Use an old Android device for 4G / LTE Internet on a Mikrotik router.
What to do when the power is off all day.
3 ½ Ways to Backup Your Computer