When I sell at the Record convention you are dealing with collectors and will realize a higher sale price. All my posting on the subject has been what tools I use, primarily the guides, and yes I do check e-bay to gage recent trends. a couple of examples are most of my top40 stuff 70's thru late 80's range in price from 8-12 in the guides.. depending on condition I go the middle of the road and price them at around $10 and will allow the buyer some haggle room, i sell a bunch of those. 50's thru 60's are going to book on average somewhat higher, specifically I sold my J. Frank Wilson LP "Last Kiss " on Josie vg+ for $50 which is what I paid for it several years ago.. I was happy to get my money back. I sadly sold my 8 louie Prima on both capitol and Dot to a single buyer for $15 each again pretty much what i paid for they book a little higher. money is tight so the last few years we go with what we can get..I am selling all my cd's ..those are easy to price .. I go to amazon and gage what they are going for less the standard $2.98 shipping and handling , i add alittle extra for imports , alot for out of print...forget what I paid for them, the records and cd's have been recorded, expsensed on my tax returns (against my mobile DJ business).
How do you determine it's worth ..artist,original or re-issue label, generation of re-issue(capitol has about six generations of re-issue) era, condition both LP and cover, demand (beatles are still the hottest seller)...what to price it is a different matter then you use the guides, amazon and e-bay for the current trend....I am sure you can find on this amazing thing called the web where my J Frank Wilson sold for $12 on e-bay , well what shape was it in , was it on josie, did the cover have record ring , was it a cut-out..many factors.. but what i get on a specific date, in my home town, is what i got. This just a small part, all the Lp's are miles apart in value and demand..it's hard to cover so much in this space.