As startups grow, they often face technical challenges related to scaling their technology stack. This article discusses the importance of reevaluating and upgrading a startup's tech stack for scalability while considering factors such as financial constraints, developer skills, talent acquisition, and product roadmap. It suggests that microservices architecture can be beneficial in achieving elastic scale and flexibility but also highlights its challenges. The ideal solution should balance cost-effectiveness, ease of use, and flexibility. A specific example of a transactional database is provided to demonstrate how these principles can be applied in real-world scenarios.