Remember that you have enlisted their services. In other words, they are working for you. Their work is an investment in which you have put money, and you deserve good returns. They should give you a free title page, formatting, outline, and bibliography.
Some have opined that students go for these services because they are lazy. This is partly true, but the biggest percentage that goes for these services are students who are trying to beat serious deadlines or have a deficit in their writing skills.
In the present day, custom essay writing is offering everything that a student needs. They write papers from scratch, proofread and edit, do research and formatting.
Apparently, it’s not your first writing task as well as the last one, so a teacher had definitely read your essays before and would easily spot a change of your style. That’s why a writer should preferably match it, and even the mistakes you usually make. Besides, it will be better to provide your training material for a writer to refer to it.
Some of those sites employ non-native speakers and writers without university degrees and that might impact on the quality of their works. To avoid this, read as much custom reviews as possible. You can also check the requirements for applying on the service as a freelance writer.