I've seen something similar in a different thread. You will probably find certain parts of that post helpful, not everything of course, but I believe it is worth checking out. 
http://www.apvconstructeurs.com/2016/05/02/web-based-crafting-services-relieve-precision-and-2/
https://eshtrybetak.com/essays-writing-services-producing-any-process-a-3/