Your down payment would depend on your type of financing and how much you pay for the property.
FHA, VA, and USDA all have low down payments, sometimes as low as 0%
Insured conventional loans may have better interest rates than the previous mentioned loans but require around 10% down.
Conventional loans are at least 20% down and can have the same rates as insured conventional loans.
The home is listed at $120,000 and say your purchase price is $120,000 your down payment with a USDA loan would be $0 and it would be $24,000 for a conventional loan.