I’ve been running a pihole with unbound for about a year and I’m VERY happy with it. I haven’t run into any issues where my lists have blocked too much things either. I only needed to whitelist 16 urls after applying.
Other Sources I have found where I went to build my list.
https://www.github.developerdan.com/hosts/ (Helpful collection of ad and tracking list courtesy of u/lightswitch05 on reddit.)
https://firebog.