Seongnam offers a relatively affordable cost of living compared to other major cities in South Korea, especially in terms of dining and transportation.
Housing costs are moderate, with reasonable rental prices both in the city centre and outside.
Grocery prices are varied, with some items like milk and bread being quite affordable, while others like cheese and beef are more expensive.
Utilities and internet services are reasonably priced, contributing to the overall affordability of living in Seongnam.