You guys know I was a big Service Magic fan. I defended them through thick and thin, but everything changed when they became HomeAdvisor.
I actually just wrapped up a blog post about this very thing. You can read it here.
[Link: paulryandesign.com]If you're interested in getting serious about email lists/campaigns you can sign up at the end of the article and I'll send you out how to get started with email campaigns for your business so you can protect your business from these outside forces messing up your cashflow.
Now would actually be a great time for all of the guys who are associated with Angie's List to email their existing clients.