The U.S. federal government is once again offering free COVID-19 tests to anyone who wants them.The free at-home tests can be ordered by logging onto COVIDTests.gov.It take less than two minutes to complete a short form asking for your name and mailing address. The tests are shipped by First Class Package Service through the U.S. Postal System. The tests should arrive in one to two weeks after ordering, according to online articles.The two boxes, each containing two tests, arrive without any shipping costs to recipients.Those without internet access or who have difficulty ordering online can call a toll-free phone number,