The PlusLife testing system is a PCR-style testing system that has a greater accuracy than standard rapid tests. The system itself is on the pricier side, but you and a handful of friends can split the cost. My friends and I share a testing system. It lives at a friend's house, and if any of us have had a Covid exposure, recently traveled, or are about to see an at-risk friend, we visit them to test.

Other considerations: