charging money for /home will stop people using it willy-nilly. Being able to blue pill is probably a necessary function when you're the only person who can /tp people, and you're not always around.
By the way EVERYONE, I set up an enchantment table near Jeff's house. The easiest way to get there is through the nether portal, so if you have a portal that connects you to his house, it should be easy to access.
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Hail L-Block, Hero of the proletariats!
http://img72.imageshack.us/img72/8629/sovietblockde0.jpg