In the fast-growing hair extensions industry, buying hair in bulk can be a smart and profitable move — especially for salon owners, stylists, beauty entrepreneurs, and resellers. Bulk buying allows you to reduce costs, ensure product consistency, and build a scalable business. However, making a large investment without understanding how to check for quality can lead to costly mistakes, unsatisfied clients, and damage to your brand. Whether you're new to the business or simply looking to refin...