When to acknowledge ATC

Happy Dog wrote:

Do you only talk to towers? Possible. But tricky in some places. Anyway,
are you saying you almost always stay below Class Bravo?

Yes, the only time I talk with controllers is when I am entering the airspace of
a controlled field. When possible, I stay under or over class B airspace. I have
gone through Newark once and Orlando once, but generally I avoid the Bs one way
or another.

George Patterson
There's plenty of room for all of God's creatures. Right next to the
mashed potatoes.