Nice thing about doing it as a business, Margaret, is
that the customer pays for the materials (and the labour).
As gardeners realize, meticulous gardening requires either a lot of labour (and knowledge)
or being able to pay for it all. In the first case, laziness stunts the net effect, and in the second,
trying to do things on the cheap (including not really being able to afford it).
I have no experience with raising dahlias, Caroline, but I love the big ones with big flowers.
The problem with them, for me, is that to get blocks of colour requires a lot of space.