Sounds like something I'd be interested in, though I'm a long way from
Vancouver so I'm not a potential customer. ;)  One issue you may want to
look into before you get too far is insurance.  This sounds like a
business where you might run into liability insurance problems.

             _ _
  __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
 / _` | | | | | |  +-----------------------------------------------------
| (_| | |_| | | | @ cyberspace.org
 \__, |\__,_|_|_| "Geekdom is fantastic at being AGAINST something, and
 |___/             it's hopeless at being FOR something."
                                      -- Andrew Orlowski in The Register.