To work with you on this, ask someone who may be able to help more on the business perspective or on the testing aspects. Choose an iteration time period and stick to it. Together, write a story about...

To work with you on this, ask someone who may be able to help more on the business perspective or on the testing aspects. Choose an iteration time period and stick to it. Together, write a story about each extension or a part of it. If the story is too big, break it into smaller parts.