Simply put, in order for a card to be well-designed, it must have some sort of positive impact on the format , preferably at its time of release (though this is not a requirement)
The size of box that you need depends on the size of your collection, although its almost always better to get a box bigger than you need at first, since youll probably buy more cards
With over 6 years in the collectors space, Shivam collects all things Pokmon, Digimon, Yu-Gi-Oh, Sports, Toys, Video Games and more, and shares content around his collectibles on social media
Check for any wear and tear, look up recent prices on platforms like eBay , TCGPlayer or The Card Cloud and consider getting them graded by a trusted service