75% of out Helpdesk Calls come in via E-Mail, which can be picked up at any time, so one of my colleagues is dedicated to doing them at home. A business phone line can be installed to answer calls even.
@Battlehork: Had that exact problem today - My computer is not working.. It's not lighting up... lighting up? Yeah.. I can't see the start menu... Turn the monitor on, DUH! I swear some people do it to piss you off.
Boiled Pasta with a tin of chopped tomatoes that's been cooked down with crushed garlic and onion. Can eat straight away, or put it in oven dish with cheese on top and whack it in over until golden on top. Nom.