This looks like a terrible investment

30k alot to cough up  not including shipping.  

Yup....lot of these records are available on Qobuz in 24bit/192kHz resolution and most recordings are pretty amazing!

I don't understand.
If he is the owner trying to sell them, how did he get 'soaked'?

Carp
If you read his ad you will see he bought them start of this year with intent to sell at a profit.
So not original owner but looking to make a few dollars.
Nothing wrong with that of course, economics at work.
But not looking good for him right now unfortunately.
😕😕

Schlep boxes of records for weeks on end? Your margin when it's all said and done?

Trying to resell might be worthwhile for the lot @10K. That's  being optimistic. You're gonna get calls/emails from a minimum..5%? An album will be defective, and the customer wants an exchange/money back.

For the sellers sake someone  will bite,  with visions of grandeur$$.

I've found during the corona era that high quality vinyl has become harder to find.  Many of the MoFi titles are sold out or on back order like never before.  Once they come in stock they immediately sell out.  I think this guy's problem is that most of these records are still available from Acoustic Sounds.  There is no reason to pay a premium for them.  That said, there are some great titles in there.  He would be better off selling them piece meal than as a lot, even if it takes a lot longer.  My Discogs account has been pretty active in the past few months.  Many motivated buyers of rarer items I'm selling.