Check into L7 Myeongdong by Lotte or similar in central Seoul; rooms under $150 per night including breakfast. Start your day with their complimentary breakfast buffet.
Explore Namdaemun Market for shopping and street food. Visit Yangmiok Namdaemun Branch for authentic Korean beef dishes at reasonable prices, open from 11am.
Take KTX train from Seoul Station to Cheonan-Asan Station. First train around 7:38am. Journey takes approx 40 minutes. Tickets cost approx KRW 13,000 ($10) per person one-way.
Explore Gwangjang Market for famous street foods like bindaetteok (mung bean pancake) and mayak gimbap. Market opens early and less crowded before noon.
Food items usually KRW 3,000-7,000 (~$2.50-$5.50), 2h