Help !

Hi Schubert,
Let me try to supplement glennewdick's good advice.  I use a 500 gb portable hard drive plugged into my computer as my NAS.  It easily holds my 750 CDs that I ripped to FLAC files, but you should research the appropriate size of the NAS.  Portable hard drives are relatively inexpensive these days.
I used dbpoweramp, which I liked, and it seems to be the ripping software of choice.  But free downloadable programs, such as Exact Audio Copy, also have their advocates.
I agree with glennedick that if you need to buy a streamer-dac in order to playback what's on a NAS, the Bluesound Vault may be the easiest and least-expensive solution.
It'll take you a while to rip 1500 CDs.  Once you're done, donate them to your local library.  Depending on your situation, you may be able to claim a tax deduction.  Even without a deduction, it'd be a good thing to do.  Of course, you could find a buyer for the CDs and recoup some of your costs, which would also be a good thing.
Good luck.

I recommend you to try Cocktail Audio X12 or X14 to rip and store it.

They have rippers in it and very compact not taking much space.

http://www.cocktailaudio.com/#

https://www.amazon.com/Cocktail-Audio-Ripper-Server-Streamer/dp/B00NW9B51E/ref=pd_lpo_sbs_23_t_0?_encoding=UTF8&psc=1&refRID=6KHT61D6GJY5ASHWJ7K7

https://www.ebay.com/itm/COCKTAIL-AUDIO-X14-60-watt-stereo-integrated-amp-BT-net-player-AUTHORIZED-DEALER-/132942930793

2T hdd will be more than enough to store all of your CDs

I had been using X12 for 6 years with no problem.

It is still working fine.

Recently I switched to X30 with 2 T SSD which sounds comparable to Jay’ Audio CDT2 MK2.

The easiest and least expensive route is to cull your CD collection.  Get rid of the CDs you don't actually listen to.

You should also consider a streaming service.

Transferring your collection to hard drive storage is not really hard, but it is not trivial.  It's very time consuming and you will have to build in sufficient safeguards to prevent data loss.   Plus, there's even a legal issue regarding whether you can dispose of ripped CDs.

Take to local Salvation Army shop, let them deal with them

Sorted!

Goodwill or the Salvation Army are good ideas. You must live in pretty small quarters though. I have about the same number of CDs, and 3/4s of them are on wall racks that hardly take up any space at all in my listening room. Are you being a little dramatic?