The 2018 Disaster Preparedness Sales Tax Holiday begins today and extends through next Thursday. State and local sales taxes will be lifted on a variety of items including portable self-powered light sources that cost $20 or less, portable self-powered radios, two-way radios, or weather band radios that cost $50 or less, tarps or other waterproof sheeting the cost $50 or less, gasoline or diesel fuel tanks that cost $25 or less, and portable generators that cost $750 or less.