Recommended workflow when developing new websites
Essentially the question is "how can I manage changing database content across environments" which has been covered several times here before.  Some leisure reading:

What&#39;s the best practice for handling data migration and organization across development environments?

Git Workflow and Multi Environment - how to approach

What&#39;s the best practice for upgrading a versioned Craft site?


  Does Craft 3 solve this?


Craft 3.0 will not have a solution for this at launch, but we are planning on something post 3 launch that will help making managing Craft content across environments easier to manage.