Glad it opened eventually.

Yes I wasn't suggesting a particular one because makes and prices will be different there. A printer is not necessary to start with you are right.

A basic kit usually comprises of 2 lights one with a silvered umbrella one with a white fabric umbrella, stands to put the lights on, all the leads and carry case.  I suggested a backdrop too because if you go to peoples homes it makes it very easy then to set up a small backdrop stand in their living room and you can shoot without having to worry about backgrounds etc. People here seem to like their portraits done on a plain white background too which makes the lighting easy ;)

One of the most sucessful people I know at this books village halls and invites groups eg mother baby groups,  etc.  to come along. Then he can shoot lots in the same place without having to move around too much or alter lighting set ups.  He does give out small prints on the day as he find it encourages people to order the larger framed one ;)

As with all these types of small business it is 90% people and marketing skills and 10% photography skills.

And every one said, 'If we only live,
We too will go to sea in a Sieve,---
To the hills of the Chankly Bore!'
Far and few, far and few, Are the lands where the Jumblies live;
Their heads are green, and their hands are blue, And they went to sea in a Sieve.

Edward Lear
http://www.nonsenselit.org/Lear/ns/jumblies.html