8. Make sure to Proofread

This is an incredibly important step regardless of the fact that readers can understand the meaning of the text even if there's a typo. The lack of attention to detail can indicate a bigger problem.

Let's say for example you're writing an e-mail for a car company and you misspelled a word and a potential client notices it, they would think that "if they cut corners on emails, what corners did they cut or overlook on their cars?"