Let’s say she tries to sell in 2 years, and her current $500K attached home will be worth $400K, or 20% less. She undercuts to $360K, 10% lower than market.

Then she turns around and buys a $640K home that is listed 10% below market by a motivated seller to $576K home. Assume this huose in today’s market would be worth 800K, so she has the same ratios of discounts on the new house as the one she is selling.

So today the price difference in moving up is $300K, and in 2 years it is $216K. So if they want to own, and plan to move up, it is better to wait to do it. They don’t want to rent, as they are attached to their home, and they believe in the logic I just outlined. After all, the move-up home will be cheaper too.