I don't have one at the moment, but
@DelilahLyell and I have plans for the near future. I mean we've been hitched this long. We're just wanting a stable home with a back yard to play in somewhere in a decent neighborhood first.
Just wait until the day where they find away around the router. I remember mainlining in through the modem when my mother tried to pull that. Sure, it was standard phone line back then and not CAT5, but the idea works the same. The one thing I know about kids is they've got way more time on their hands than you do to tear your plans down.
Oh, and desktop logins are trivial to break with physical access. If they are the techy sort be mindful of them being super protective of a flash drive. Either it is a cracker or porn.
*edit* or both.