For sets, look at the Languages this set is released in sections, which Ive tried adding for every set a few years back
Focus on Sealed Products : Booster Boxes, ETBs, and UPCs from sets like Shrouded Fable appreciate faster when unopened
At $27 on TCGPlayer compared to $29.99 on Amazon, it is a small but real saving that adds up if you buy more than one
Share Collections Generate shareable links for your collection
Yuka Morri is a legend to the Pokemon TCG who has had a card in almost every set since the Neo era and her art is instantly recognizable as she creates clay Pokemon models
Take Knock Outs, as appropriate, by using Roaring Moon exs Frenzied Gouging attack, which instantly Knocks Out your opponents Pokmon in exchange for Roaring Moon ex doing 200 damage to itself, Roaring Moon exs Calamity Storm, which does 100 damage plus 120 more if you discard a Stadium card in play, or Roaring Moon TEFs Vengeance Fletching, which does 70 damage, plus 10 more damage for each Ancient card in your discard pile