Another thing to avoid is no communication. This is super crucial. I sell records on Discogs and eBay, too. What i do is taking my time with writing the buyer messages. Some may not write back but i got extra positive feedback off of communication. Great feedback makes it easier for potential buyers to decide to buy. Of course you can't do it as a beginning seller and ditch it. You have to do it consistently.
I inherited a collection thats why I wrote previously to you for turntable advice The pitch control is necessary as I intend to invest in 2 turntables to accompany a mixer so I can record music back to back for weddings, parties and social events