Used to do them all the time and had one big one right before we moved. There were a couple where we made $500-600 but had a lot of interesting things to sell. I think nowadays there is so much excess stuff floating around that they aren't quite as popular anymore. If I need to get rid of something now, I either take it to Goodwill or post on craigslist free. The neighbor behind me just sticks crap in the alley with the hope that someone will pick it up.