Which is more convenient when traveling in Korea: public transportation or taxis?

When traveling in Korea, especially in large cities like Seoul, choosing your mode of transportation is very important. Here is a summary of the characteristics of each option.

• Subway and Bus: The cost is low and the routes are very dense. In particular, the subway is efficient because you can travel without traffic jams even during rush hour.
• Taxi: Convenient if you have a lot of luggage or are in a group of 3-4 people. The base fare is relatively reasonable, but road congestion can be severe during rush hour.

Which transportation method do you usually prefer? Please share your travel tips for different situations.