Tobie Ortiz’s house doesn't seem like a hot property. When she bought the bank-owned home last year, permanent marker and puff paint marred the walls. Siding was damaged, door frames were broken, and fence slats were missing. Still, Ortiz faced stiff competition for the aging 1,000-square-foot Henderson house. She and her fiancé had to raise their offer twice, and they ended up paying almost $3,000 above the listing price.