Visa-free entry for most countries for 30-90 days. Need passport (valid 6+ months), return ticket and accommodation booking.

Kakao Map or Naver Map. Google Maps doesn't work well in Korea due to local laws — doesn't show transport routes.

AREX Express to Seoul Station in 45 min (9500 won) or All-stop in 70 min (4750 won). Also limousine buses or taxi (~65000 won).

T-money — universal card for metro, buses, taxis, shops. Buy at any CU/GS25/7-Eleven for 4000 won, top up with cash.

Very safe. One of the safest countries in the world. Can walk at night, leave things in cafes. Violent crime extremely rare.

Spring (April-May) — cherry blossoms, autumn (September-November) — fall foliage. Summer hot and humid + monsoon. Winter cold but fewer tourists.

Budget: 50-70k won ($40-55). Mid-range: 100-150k won ($80-120). Comfort: 200k+ won ($160+).

Wi-Fi is free everywhere (metro, cafes, shops). SIM needed if you want constant internet. Unlimited from 30000 won/week.

No, tipping is NOT customary and can even be offensive. Just pay the bill.

Samgyeopsal (BBQ), bibimbap, tteokbokki, fried chicken with beer (chimaek), kimchi, kimbap. Street food: hotteok, mandu.

Kakao T app — Korean Uber. Can pay by card. Orange taxis — regular, black — deluxe (pricier).

KTX (high-speed train) — 2.5 hours, ~60000 won. Bus — 4-5 hours, ~25000 won. Flight — 1 hour, from 50000 won.