Top 7 Mistakes Expats Make When Renting an Apartment in Seoul (And How to Avoid Them) 1. Confusing Jeonse with Regular Deposit-Based Rent Many expats mistakenly assume that paying a high deposit with low monthly rent means they’ve secured a jeonse contract. In reality, jeonse is a uniquely Korean rental system where the tenant pays a lump-sum deposit—often 60% to 80% of the property's...