Seoul in April is pretty unbeatable. The cherry blossoms line the paths around Yeouido, the night markets in Gwangjang smell like hot mung bean pancakes, and Myeongdong is packed with skincare shops handing out free sheet masks just to get you through the door.
A good week-long run from the US usually lands around $3500 once you cover flights, stays, and a haul of serums. Instead of paying that all at once, you can put the trip on the Citi Simplicity® Credit Card and break the balance into smaller, predictable bites.
Keep in mind that 0% interest is an 18-month pause on finance charges, not free cash. If you still carry a balance when the 18-month window closes, regular interest kicks in on whatever is left, which wipes out the savings.