I believe it is difficult for jem and scout.
Boo Radley had been labeled with bad repuations by jem and scout's peers (they made up stories that boo is a ghost or even a lonely murdered).
But jem and scout later realize Boo's effort in protecting them from Bob Ewell, which eventually change their misconceptions about boo
Answer:
Yes, aliens are real. I actually saw a row of them back in April 2020
Answer: I think material wealth
I hope this helps!!