Barbara Corcoran says the biggest mistake new homebuyers do is forget to go back for a second look. "People fall in love with the house and think at that moment in time it's their new house," she said. Industry experts agree that going back for a second look is crucialMike Biryla, a real estate agent at The Agency, agrees with Corcoran that going for another look before signing on the dotted line is worth it. "When you go back for a second look, it should be to make sure that the floor plan makes sense for you." Biryla tells CNBC Make It a second look is about reaffirming your initial feeling.

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Persons: Barbara Corcoran, Corcoran, Mike Biryla Organizations: America, Industry, The Agency, CNBC, Getty