Some of the most common mistakes to watch for are listed below
- Spelling errors
 - Run-on sentences
 - Punctuation errors (too many commas, not enough commas, not ending sentences, etc…)
 - Capitalization
 - Redundancies
 - Context relative to the conversation (going on tangents or misinterpreting the email you are replying to)
 - Doubled up words ex) We are walking to the the park.