Yup, the upfront effort to come to an implementation is like 90% of the work. Refactoring existing code is a lot easier than juggling product, design and techn

Yup, the upfront effort to come to an implementation is like 90% of the work. Refactoring existing code is a lot easier than juggling product, design and technical requirements into a functioning solution. All the moving parts are already there to look at.