Can't get free COVID tests from USPS? Here's what you might be doing wrong

(NEXSTAR) – The White House plan to send Americans free, at-home COVID-19 tests using the U.S. Postal Service launched its website to sign up a day earlier than expected Tuesday. For many, claiming the four free kits took a grand total of 15 seconds. For others, especially those living in multi-unit housing or multi-family households, there were some issues.
Here's what the USPS says to do if you're receiving error messages or having trouble claiming your COVID test kits.
"At-home COVID-19