People typically pay between $75,000 and $500,000 for Adler's services (and in some cases, even more), according to business records reviewed by CNBC. Her team of matchmakers conducts in-person interviews with clients, which delve into their childhoods, desires, aversions and romantic histories. Adler shared her best dating advice. As part of this reflection, it can be useful to think about why previous relationships didn't work out, Adler said. Don't settleAdler's matchmakers dedicate a lot of time helping clients to identify their deal breakers and their must-have qualities in a partner.

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Persons: Colin Anderson, Barbie Adler, Adler, It's, matchmakers, they've, that's Organizations: Colin Anderson Productions, Digitalvision, Getty, CNBC, Finance