Looks like the "real" tests are 84-97% correct.https://www.healthline.com/health/how-accurate-are-rapid-covid-tests#other-types-of-testsHome DIY tests are 84-98% correct. Is this how you read it?https://www.healthline.com/health/how-accurate-are-rapid-covid-tests#other-types-of-testsI am not familiar with either website. But they both look like trusted professional sources.