When his daughter moved back to Columbus, Ohio, to pursue a master’s degree, Doug Borror bought her a condo in the artsy Short North neighborhood. A few months later, he and his wife, Kim, decided to follow her.

The Borrors sold the 9,000-square-foot home that they had owned for 28 years in the Columbus suburbs, and bought a 3,000-square-foot penthouse with a wraparound terrace in their daughter’s building. They spent $550,000 for the apartment in 2010, and $1 million on renovations.

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