Strange State Tax Laws You Never Knew Existed

3. New Mexico gives centenarians a free ride. If you live to be 100 and you're a New Mexico resident, you're done paying state taxes. Residents who are 100 and older don't have to pay state taxes. However, that's only if no one else claims you as a dependent.

4. Florida has a sales tax holiday … but it's very confusing. Swimsuits are tax free, but masks and snorkels are not. Sports attire is tax free, but not helmets. Printer paper is taxable, but not construction paper. The state maintains a list of seemingly random items to guide merchants.