6 Mountain
While not as pricey as some others on this list, its value has been trending upward, with PSA 10s reaching nearly US$500 and BGS 10 Black Label copies breaking the US$1,000 mark
List cards at or near the Market Price, use accurate condition grades (Near Mint, Lightly Played, etc.), and respond to buyer messages quickly
Specifically I want to look at: Mono Black Infinite Combos How about we start with the simplest and probably most commonly referred to mono black infinite combo: You need to be able to hit your opponent(s) for a point of damage but once you do this two cards won't stop until all everyone facing across you at the table is dead
Unfortunately, that doesn't apply to pokemon cards
Since you probably dont want to rip into authentic cards, only try this if youre confident the card is fake, just for extra confirmation