. >> reporter: jason oppenheim and his identical twin brett are part of the show "selling sunset." los angeles real estate experts say the market is getting saturated with new construction. >> there's a surplus of ultra luxury homes. the random developers asking $40 million aren't selling and they shouldn't. >> that's the big difference now. there's quality. to echo what he's saying, there is a lot of supply, but there's not a lot of great supply. >> reporter: landing a buyer for the high end requires creativity. some agents are making professionally-produced movies like these, showcasing the life you could lead if you bought the house. ♪ >> check this place. ♪ the finest house on the harbor ♪ ♪ >> reporter: celebrities are also getting in on the masrketig game. >> when i first saw this inel u. >> reporter: michael douglas himself narrated this sales video for his 200-acre estate on the spanish island of my orca. >> i've put my own mark on the place. >> reporter: but now he's ready to part with it for $32.5 million. >> now it's time for me to let someone else enjoy the privilege an