Found this FAQ quite interesting https://2019.www.torproject.org/eff/tor-legal-faq.html.en
Particularly
~Has anyone ever been sued or prosecuted for running Tor? No, we aren't aware of anyone being sued or prosecuted in the United States just for running a Tor relay. Further, we believe that running a Tor relay — including an exit relay that allows people to anonymously send and receive traffic — is legal under U.S. law.
~Should I run an exit relay from my home? No. If law enforcement becomes interested in traffic from your exit relay, it's possible that officers will seize your computer. For that reason, it's best not to run your exit relay in your home or using your home Internet connection.