I am a newbie and inexperiened with GrapheneOS so please take that into account :) I've already tried searching for answers fyi.
Does sandboxed play services create any security concerns considering google (play services) would get all your notifications, if you decide to route apps which require play services through that? Would microG be better in that instance?
Some apps in my country (such as ID and bank apps), is not available via secure sources or through obtainium with APK's, is it safe to install these through Aurora Store (does anyone know if they have unattended updates, very unclear when searching for it?)
If some apps such as Snapchat, Facebook and Instagram has trackers but I need to install them, is it safe to store them in the same profiles, do they share their tracking ID's with each other? I've seen somewhere it says that it doesn't do it but I don't seem to understand how the isolating works.