A "perfect" case adds value
 

http://www.ebay.com/itm/1909-11-T206...item4190e5040e

Another "buy the holder not the card" exemplar.;)

Slabs
 

A company should start slabbing the cases to keep them in mint condition...

And that company should be able to grade the case as well

Stick with eTopps and you'll never have to touch a card or holder again. Nothing can get damaged but your ego...