[G]

Got a response from customs korea:

Dear G, You don't have to pay any taxes on the goods when you follow the import procedures at the airport. Also you can deposit the goods temporarily to Customs and get it back when you leave. In that case that might cause you to pay some fees. Best Regards,

[ Disclaimer ] 1. The above reply, not as an authoritative interpretation, decision, or judgment, to an internet-enquiry is being made in a legally non-binding manner, and can not be used as a basis of complaints, appeals, or any other related legal disputes with Korea Customs Service. 2. The reply is being made solely and entirely based on the very information provided by an enquirer, and Korea Customs Service shall not accept any liability for the accuracy or content, and enquirers who rely on the above information do so at their own risk. 3. More accurate and detailed information IN KOREAN shall be obtained through the internet (??? ??????) or telephonic (1577-8577) enquiry IN KOREAN to the dedicated professional staff at Customs Customer Service Center (National Call Center)

THAT disclaimer.. -_-