The most important thing is that the English set doesnt have the Pok Ball and Master Ball holos that the Japanese set has: these special holos were some of the most valuable cards in the Japanese 151 release and, so far at least, English 151 doesnt have an equivalent
Blue Tifa Lockheart This is something you dont see every day the top of the card is blue, but the rest of this Tifa Lockhart card printed normally
It also offers web tools for quick lookups
Pikachu ex (Surging Sparks, 238/191) : The iconic mascot in a Stellar Tera form is worth $280+, appealing to both new collectors and veterans for its adorable yet fierce artwork
At wholesale you buy sealed product below its suggested retail price, and your margin is the gap between what you pay and what you sell for minus shipping, fees, and tax
Here's one that's popular in Standard right now: On turn two, the Advocate is a 2/3 with vigilance