My personal technique. It’s not quick, but fairly thorough, and produces some income and satisfaction. I’ll outline the process I use, using actual objects I’m considering selling.
Some people declutter lonely socks easily: they aren’t paired, so they are no longer “really socks.” I can’t do that. I keep wearing them, mismatched. Once they start to get holes, then, I’ll use them as rags. Consequently, I have too many socks. Here’s a hack to be able to “toss” more of them.
This photo was from around 2003, when I was messing with the JamCam toy camera or a tiny MP3 player with camera on it. This was before I got a smartphone. My father had passed away, so I took a bunch of metal junk from the garage and put it out in front.