refactoring usually has diminishing returns, providing you're doing it well. it comes down to what will benefit you more? refactoring again for the 3rd time,

refactoring usually has diminishing returns, providing you're doing it well. it comes down to what will benefit you more? refactoring again for the 3rd time, which will take you even longer and/or result in less benefit than the previous 2 times, or something else like testing or development?