It is impossible to write a quality article without prior consultation.
4. Not using good sources
You do your research, but you use any source. Big mistake. The Internet is full of rubbish and it is not fair to reproduce it.
5. Poorly reviewing data of interest
Names, dates, numbers and other important data must be written perfectly.
6. Use colloquialisms
Unless the client requests it, the language should be neutral. Your texts may be read in countries uruguay consumer email list where they will not understand expressions native to your country.
7. Plagiar
Besides being unethical, there are tools to detect plagiarism and you can easily be caught. The consequences can range from losing the client to receiving legal sanctions.
8. Not citing properly
It's almost plagiarism.
9. Perform the final review tired
You should do revisions several minutes after finishing the work, with your body and brain rested. Otherwise, you will miss the most obvious errors.
10. Rely on spell checker
Worse than the previous one. You already know that there are paronyms and grammatical errors that the software fails to detect.
11. Distract yourself
There are plenty of distractions on the web. But when you're writing, you need to focus. Failing to do so leads to wasting time and making beginner mistakes.