Here's a starter list which we can add to.

Best,
Ewen

Business tips for startups by proven entrepreneurs – Mixergy » Lead Generation 101 [Resource Page]

Local Lead Generation (Local Affiliate Marketing) » CapeLinks Blog

Service Magic [now Home Advisor] charges for different trades
http://www.homeadvisor.com/rfs/servi...hedule_new.pdf

Typical charges for jobs done around the home
http://www.diyornot.com/Project.aspx...&ndx2=3&Rcd=80