Build the website from the script.
Tweak it a little and personalize.
Get it ranking and get traffic flowing.
People sign up and get their own subdomain (alter script a little).
After a day, email them, ask them how its going & if they need help.
Also let them know that you offer cheap custom web design services.
Upsell them to a custom design package with their own domain.
Once you have built a website for them, upsell them into SEO also
Cha-ching!