Try Brave Browser, it’s built in ad blocker is a beast. I switched every browser over to Brave.

Eero works well for the most part, but having everything behind a paywall is a no go for me. Want to see how much internet usage for the month? Need their subscription

Couple things, no iPhone is waterproof. They are water resistant.

Are you saying your sister put soap on the screen? This won’t affect the phone at all.

Change all default apps, mail, maps etc