Yes, it is possible to build a custom laptop yourself, similar to how you can build a custom desktop computer. There are various options available for building a custom laptop, including DIY kits and customizable laptops offered by manufacturers such as Framework and Lenovo. These laptops are designed to be modular, allowing you to choose and replace components such as processors, displays, and hard drives. Some manufacturers even provide a customization service where you can choose the components you want, and they will build the laptop according to your specifications. However, building a laptop from scratch may not be the most cost-effective option and may not be suitable for those on a tight budget. Additionally, building your own laptop may not be as straightforward as building a desktop computer, as laptops have more compact and specialized components.