QUESTION: Fix punctuation: Owns or manages this property
ANS: Owns or manages this property?

QUESTION: Fix punctuation: Username Email Address
ANS: Username / Email Address

QUESTION: Fix punctuation: Some turn us off while others scoff
ANS: Some turn us off, while others scoff.

QUESTION: Fix punctuation: Your complaints are for me signs that you are unhappy with yourself
ANS:
Your complaints are for me signs that you are unhappy with yourself.