Tip #10 Review all code
Code reviews are one of the most effective ways to ensure that your reusable assets are being utilized appropriately. Often times in a rush to get the product out the door, developers might put in code not realizing functionality that already exists elsewhere. Because it takes time and discipline to review code it is a good idea to do this in small chunks. The key is consistency not so much quantity of code. You would want a quick way to refer to what reusable assets exist and marry that with changes to your code. I often find myself discovering ideas for new reusable assets while doing code reviews also. Over time you will start to see patterns and duplication across code fragments and application functionality which will help you achieve synergies.