As you probably have heard, you can order at-home Covid19 test kits from the federal government free of charge.
The link to the official government website to do this is https://special.usps.com/testkits do not use any other website! The distribution of these free test kits is being handled by U.S. Postal Service. The link takes you to postal service website where you can order up to 4 free test kits per mailing address regardless of how many people live at the address.