Not too far behind was a Pokmon 1st Edition Base Set Sealed Booster Box (Wizards of the Coast, 1999), which "drew more than three dozen bids" before it was finally sold at US$237,500
I use double sided glossy photo paper now and it works really well after taking FOREVER to figure out how to line up the front and the back of the card when I print them, no Unbox pokemon cards with me
While eBay might have its own issues, Secret Lairs are so hard to come by that it's hard to not recommend it
This makes it so Dark Magical Circle can get rid of problem cards easily and permanently, only needing to Summon Dark Magician, something quite easy to do
In faster formats, that payment can add up quickly, especially with fetches, shocks, pain lands, and opposing pressure