Under the FISA expansion, what exactly should I worry about, how do I manage privacy?

Hello everyone, with the unfortunate passing of the FISA expansion, I was left with a few questions. I tried to research it, and to me, it seems like they are beefing up surveillance with routers and ISPs (correct me if I'm wrong.) Aside from having businesses stalk you when you use their WiFi (connected with ISPs.)...