At-Home COVID Tests Will Be Available Soon. Can You Rely on Them? NBC4 I-Team Finds Out Christine Roher and Carolyn Johnson © Provided by NBC Los Angeles Covid-19 nasal swab test administered on patient. Mark Lemus has been tested for COVID twice, after he was possibly exposed to the virus. Both tests were negative. "We just wanted the peace of mind, of having done the test and seeing what the results are," said Lemus. But the tests were time consuming and pricey. Lemus waited in line for six hours for one test, and paid $130 for the other. But soon, home tests will change t...