If you've previously placed your first or second order for free COVID tests from the USPS site, you can now place a third order and get 8 FREE At-⁠Home COVID-⁠19 Tests shipped to you at NO COST. Click here to order your free tests today. If an order was previously placed for your address, you may need to check back later to place a second order. Limit of 2 orders per residential address. Orders will usually ship in 7-12 days.