7 Essential Items Your Boutique Should Always Have In Stock Essentials, staples, best sellers, go-tos, faves — whatever you call them, some articles of clothing are simply necessary to keep in your store. Why? Because they're timeless, they sell year-round and your customers are always on the hunt for 'em. Keep reading for 7 essentials you should always keep in your inventory.   1. White tees, please. You simply can't get more versatile than a basic, white, 100% cotton t-shirt. It's thin enough to layer and timeless enough to wear with not much else without looking boring. The most important part of shopping at wholesale clothing stores for white tops is the fabric. Steer clear of acrylic, polyester, rayon, acetate and nylon if you can,...