Here is a mini series of articles I found online, to help people who are facing foreclosure and want to do a "short sale" which means: selling their home for less than what their loan amount is. Homeowners can have more than just 1 loan, they have 2sd, HELOC, 3sd...
If you are looking to purchase and want to buy with a low amount of money down, read this article about FHA financing: http://sdandochomes.blogspot.com/2012/06/how-much-can-i-afford-with-fha-loan-in.html
Still not sure? Read this article: buy or rent what's cheaper? http://sdandochomes.blogspot.com/2012/03/buy-or-rent-whats-cheaper.html
Look at the MLS (Multiple Listing System - aka: the Realtor's data base of homes) - FREE!
homes for sale in Carlsbad - click link
homes for sale in Encinitas - click link
homes for sale in Vista - click link