Writing clean, maintainable code is essential for long-term software success. Key best practices include following consistent coding standards, using meaningful variable names, writing modular code, and avoiding redundancy. Implementing proper documentation and comments helps future developers understand the codebase. Utilizing version control systems like Git ensures smooth collaboration. Additionally, regular code reviews and refactoring improve code quality over time. By adhering to these best practices, developers can create software that is easier to maintain and scale.