Best folder for display long term?

TL;DR: I want to collect an entire set and show it off as a sentimental display piece. I’m looking for advice on storing cards for indefinitely, as well as recommendations for products to store and display the cards in.

As FDN and J25 preview season went on, I saw more and more cards that I’d seen before, and was excited to see them both reprinted and also all together. I have fond memories of Core sets as I have been playing MTG on and off since the release of M13, and also particularly enjoyed their brief return around M20. My first deck was an intro pack featuring [[Krenko, Mob Boss]]; I don’t recall exactly what inspired me, but I think it was seeing him reprinted in FDN that made me realise:

I have almost all of these cards already. I could just grab them all out and… have my first ever “fully completed” set collected.

I’ve refined these thoughts into a few goals: - I want to collect and permanently display a complete set of cards that were reprinted in FDN - None of those cards are to be the FDN printing - For each of these cards that I own, I will select the oldest copy of that card I own (based on when it came into my possession, if possible), or a copy with significant sentimental value - For each of these cards that I do not own, I will leave a blank space (for now!) - I would like to eventually do the same with J25 (I am missing much more of the reprints there)

For the FDN collection, I will need to hold 376 cards. After looking at some old binders I already have, this seems possible to do in one binder, but I’m open to suggestions for other display options or using multiple folders. J25 will have to be split across at least three binders, as there are 1113 reprints there.

I’ve watched a lot of The Professor’s videos recently, but still find myself unsure of some things regarding the long term storage of cards. I’m also mighty confused on the love of side-loading binders, which have only ever caused issues for me with cards coming loose or falling out while turning pages.

I think I’m fairly sold on using Dragon Shield sealable inners to sleeve all of the cards, but again am open to any advice regarding long-term storage of cards. For example, I’m not sure if it would be worth double-sleeving them.

If you have any experience with any of these things, or any projects like this, I’d love to hear about it. What would you do in my situation?