I dont mind waiting longer to get a steep discount, but thats a personal choice
But it will also make it easy to flip through your collection and find the necessary cards
By leaving your cards out, you open risk of kids/animals to destroy your cards
Even if you never riffle shuffle like a villain, your card is still: rubbing against plastic (front and sometimes inner sleeves) getting compressed in a deck box picking up oils from hands experiencing heat and humidity swings (car rides, tables, basements, all the classics) So dry to the touch is not the finish line
For example, superfriends decks get to activate their planeswalkers and bring them closer to ulting, a shrine deck gets those juicy upkeep triggers, and so on
Then, follow these 9 steps and transform your sheet of paper into a cute Pokemon card booklet