South Carolina has an income tax, from 3% to 7%. Social Security is exempt but most other sources of retirement income is taxed.
South Carolina has a 6% sales tax. Gasoline and Diesel are taxed at $.168/Gallon and Cigarettes are taxed at $.57/pack.
South Carolina does not have a state level property tax, but municipalities do levy property tax, both real and personal.
South Carolina does not have an Inheritance or Estate Tax.