I joined up here specifically to ask the same question, but see others are in the same boat. I'm a private user on a home network. Domain names are so easy to get now and enable a user to change ISP's without having to notify everyone of new email address without all the disasters that go with it. We are public servants who work in the IT industry, but don't work from home. I guess setting up a network at home with teenage children doesnt help.
We also have a flat downstairs with a disabled person who also has a computer on our network so we can all access the internet.
I think three computers on a home network might be a bit of a low setting, many families are IT savvy now and have wifi with ipads, laptops, pc's and teenagers as well as mum and dads computer.
As I love the product and I'll give it a bit of time, but if the nagging is too constant, after many many years of advising users at work to use AVAST for home use, I might have to find another product