Hi Nicole,
Thanks for your question! I'm glad you asked.
You're more than welcome to modify your Return to Home plans for the Challenge based on changing needs, assessments, etc. As long as you're implementing or expanding upon a Return to Home practice, you're fine to deviate from the application. You're not obligated to incorporate your initial ideas at a later time.
We appreciate your openness and staying in the spirit of the Challenge!
-Irene