OK I'll give away a really simple one for the lazy: start your own hosting (reseller) company. Grab a dedicated, throw up some billing software and sell a share

OK I'll give away a really simple one for the lazy: start your own hosting (reseller) company. Grab a dedicated, throw up some billing software and sell a shared hosting plan to every Tom, Dick and Harry that you know. At $9.99 / month for essentially unlimited email, space, transfer you should be able to clear a few hundred bucks a month in a few months.