Do not buy Mortgage leads from:
http://www.rateadvisor.com
http://www.usloanrate.com
Adam Curtis or
Adam Pigott

Why???

You will never get a phone call.
You will not get any traffic to your web sit
You will speak with people that have been contacted by 20 brokers
They will take 7 months to get you 50 leads.
They will not credit your account even though they say they will
Spam, Spam, and more Spam.