Aussie in Leopolis.
Writer. One of my novels: Coils of the Serpent. Read it for free.
It’s not an option. It doesn’t work on all our phones.
I use it for our family chat. It’s okay. The biggest issue is sometimes messages are delayed (up to half-an-hour at times). Other than that, it’s fine. It meets our needs.
Chargeback time.
I think your number is probably too low. As a test, use noscript to block all the google assets and see how many sites you can still use. Not many.