Millennials may have an easier time buying homes in these 5 cities where boomers may actually give up their houses

• Many homeowners who scored historically low mortgage rates are financially incentivized to stay put.
• But Zillow identified 5 US cities with the most homeowners likely to move — and sell their homes. 
• Millennials and others struggling to buy homes may have better luck in the Northeast and Midwest. 

The current tight housing market is often reduced to a generational standoff: baby boomers are holding onto their houses, keeping out millennial buyers.