Kevin A.J. Black 's estate sale business, The Yes Co., clears houses within a week. "People have to understand that it's just stuff. Less is more," said Black, who admits he doesn't collect anything. "Because people can clutter up their lives. The more if they have the more they have to worry about." Credit: Mike Kepka Read more: https://bit.ly/3bQmiAc Subscribe to our channel: http://bit.ly/2Svdkii — The San Francisco Chronicle delivers the Bay Area’s best journalism every day. Our mission is to tell the story of San Francisco — the city whose people change the world. We will inform, inspire and provoke while being honest, fearless and startlingly original. You can support our newsroom by signing up for a membership at http://SFChronicle.com/subscribe.