I see that they go for $2,500-$3,000 new. I was hoping for $1,500.

My father recently passed away and he had a Resmed Aircurve St 10 bipap machine. A couple of months ago he was in rehab for a few weeks to get his strength back after an illness. They made him try the bipap machine. He hated it. I think he used it for maybe two nights. This machine is basically bran...