Basic Etiquette of Business Writing While replying to an email

Basic Etiquette of Business Writing While replying to an email, which of these should generally be avoided? (Multiple options can be selected)

Replying to the email within 24-48 hours

Always replying to everyone who is CC’d in the email chain

Writing sentences such as ‘Send this report to me and Rohit’ instead of writing ‘Send this report to Rohit and myself’

Writing in all caps