Is building a small green house and growing / selling potted plants to local nurseries a lucrative business?

I have worked at a garden center for 5 years during which I have learned a lot about plants and the inner workings of the nursery business. Recently I have been considering building a small green house and selling plants locally. If I wanted to make this worth my while… How big does the nursery need to be? About how many plants do I need to grow? And what types of plants have good mark-up value and are fairly easy to grow? Any and all advice welcome! Thanks for your help!

Related posts:

  1. green house?
  2. building a solar panel for green house,how do i keep paint on glass?
  3. I want to start a business in buying and selling organic foods. can anyone help in any way ?