Modern SaaS businesses face challenges in implementing pricing changes due to the complexity of modern pricing models such as usage-based, value-based, and hybrid models. Developers must synchronize data between multiple sources, integrate product catalogs, and enforce entitlements. Engineering organizations that cannot keep up with pricing iterations lose their competitive edge. Common challenges include integrating product catalogs, implementing entitlements, and managing analytics and third-party integrations. Businesses need to invest in modern billing solutions and ensure compliance to meet customers' evolving needs and stay competitive in today's dynamic market.