👇"Space will set you free." By. Kim Seondal (Gonggansillok, Gongdonsa)

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[Business & Lecture Inquiries]
ceo@gongdonsa.com

[About Kim Sundahr]
・Former Marketing Head @startups.
・Author: "Space Rental 재테크 (₩5M/Month)."
・Operated 117+ spaces: 55 short-term rentals, 3 Airbnbs, 120-pyeong shared office.
・Instructor: Maeil Business, Taling, Class 101.

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['Gonggan Daehyeo Gongnyakjip (Space Rental Guide)' History]
2018: Monetized own studio apt (₩1.5M salary).
2019: Expanded subleasing to 4 Gangnam units.
2021: Built B2B rental studio; ₩27M monthly net profit.
2023: Exited rental studio; earned ₩60M in 100 days (meeting space pivot).
2024: Managed 67+ spaces, wrote "Space Rental 재테크," trained 4,700+ students.
2025: Book published (sold out); Exited 55 short-term rentals, 120-pyeong shared office, Namsan studio. Global expansion prep.
"Gonggansillok" series: how to add content to spaces, real stories, incidents, cases.