Perhaps focus more on the end rather than the means.
You are addressing this issue like a real estate agent.
THis is a mistake.
Long time owners are equity rich.
Many have zero or very small balance on the motgage.
Think about the optoins homeowner such as these have.
Your message addresses what is important to THEM.
Make no mistatke. "Ok to sell now' is what is good for you and will not resonate with clarity with these homeowners.
Time to convene a brain storming session with the visionaries in your area.