I sincerely, 100%, cross my heart and hope to die would choose 1,000 copies of any modern Charizard drop with unique artwork over a Pikachu Illustrator, even, if I had a gun to my head and was told to get the best 10-year return on a percentage basis
The standard practice on Reddit is to price things at 10-15% below TCGplayer or eBay comps, which might sound like you're leaving money on the table
Make Smart Decisions See price history, recent sales, and investment analysis
On the private market side, we have apps like Whatnot with no publicly available sold data or again, the Facebook groups/marketplace, Instagram, etc
Mega Attack Rare
Zacian from the Vivid Voltage set comes with a move meant to devastate VMAX pokemon appropriately known as Amazing Sword