This text discusses the importance of avoiding certain technical strategies when scaling a startup, while embracing others. The author shares their personal experiences and opinions on various topics, including multi-cloud architectures, adopting the "best tools," containers vs. serverless host environments, microservices, configuring the AWS Console, building for scale, optimizing costs, copying hugely successful companies, and listening to experts. In contrast, the text highlights five effective technical strategies that can create long-term positive impacts: building security into every product and feature from day zero, shipping a lot of software, hiring for potential, biasing towards high-level services, and focusing on the customer. The author emphasizes the importance of understanding one's business context and technical challenges when defining and implementing a technical strategy.