Is X-10 subject to power problems like computers?
Yes, they can be. It’s dependent on the stability of the area. You will know when the X-10 is installed for a while. They could go off or on without reason and they could cease to function. There are available surge protectors for the whole house. They range in the couple of hundreds and will protect you home entertainment and computer as well. A licensed electrician needs to install it and can be retrofitted also you may need a building permit.