The key for maintainability is to write code that is easily readable, and this is not an easy feat. A good rule of thumb is that a code is written once, but wi

The key for maintainability is to write code that is easily readable, and this is not an easy feat. A good rule of thumb is that a code is written once, but will be re-read maybe 50, 100 or 1000 times in the life of the product. So, in my opinion, it is crucial to optimize for ease of comprehension.