Where to Find Reliable Assignment Buying Services?

It seems that I have a lot of work at the moment, and I am thinking that I could use some help with one of my courses by buy an assignment. Nevertheless, I fear reliability, originality, and being cheated. Did anyone here have experience with trusted platforms? What are the red flags that I need to watch out for to make sure the service is legit and getting quality work done? Like any suggestions or tips!