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Shark Tank star and The Corcoran Group Founder Barbara Corcoran says Class A buildings in major cities like New York may be in trouble. Corcoran says that she sees "maybe 50 percent of the space occupied" in Manhattan and "in most major cities it's 20 percent."

Corcoran tells Yahoo Finance's Seana Smith that "everyone who's saying there's not a problem there is not being truthful. We have problems looming."

Corcoran sat down with Smith to discuss her views on commercial real estate, residential real estate, first-time homebuyers, home renovations, and more.

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