here's abc's gloria riveria. >> reporter: in the market for a mansion but don't want to pay a premiumu might want to look in jacksonville's exclusive gated community pablo bay. >> this is nice. fountains, well-kept grounds. this is a nice community. >> reporter: inside there is a house for sale that will take your breath away. but not in a good way. >> wow. this is crazy. >> reporter: in severe disrepair, seemingly unlivable. >> what's your name? >> reporter: seemingly unsellable. >> garage sale gone bad. >> reporter: it is a garage sale gone epically bad. >> reporter: unless you are a real estate agent todd arnold. what do you see it as. >> opportunity. like you see here, you have to get rid of all of this. >> reporter: you have to get rid of all of this stuff but it is also the filth. >> reporter: where most see trash, todd sees treasure. he finds distressed homes in danger of foreclosure. prices it low and tries to sell it fast. it is called short sale. >> the opportunity for me because i believe the house is only worth what someone is willing to pay. >> reporter: todd's job is to