Whatever you end up using, make sure that there is an easy way to turn it off and on from each client device. A network wide blocker could cause issues with some sites (like banking, as an example). Tangential topic: I see some suggestions for NextDNS here as an additional layer. I can’t speak for Android, but if you’re looking for iOS/iPadOS/macOS/tvOS, note that NextDNS does not work well on these. The app hasn’t b…
If an ad blocker causes issues with banking sites then you either need a new blocker or a new bank
Ad blockers pretty much all rely on community-maintained block-lists, there are always going to be mistakes in those that break some sites, or some sites might not act well when unable to send ad/tracking events. I recently had an issue booking a train, which was because of this, turned off the ad blocker and it worked fine, not something that's as easy to do with network level blocking, especially if it was set up by someone else and you're not a technical person. Not booking the train because their site is bad is not a realistic option.