The Liberal Party’s candidate for the once blue-ribbon seat of Warringah on Sydney’s north shore and northern beaches would push a Peter Dutton-led government to explore childcare tax deductibility to ease cost of living for young families.

Jaimee Rogers, the former professional swimmer and Tabcorp presenter – who swam the English Channel to raise awareness of mental health – also backed a total ban on gambling advertising on television and said she held concerns about ads on social media.