don't argue with profiles without a real photo. They never know anything about anything, but are always arguing for their wrong point louder than everyone else.
Scroll through the group and search for other Americans who have applied. Dozens of people have written detailed explanations of their applications in this group.
No you don't. You can technically stay 180 days and not do the report, as long as you don't need anything from immigration, like a certificate of residence to buy a vehicle or similar.