What are some good resources for learning how to handle corp to corp paperwork (contracts, billing, insurance, etc)? It's very easy to land contracts through ag

What are some good resources for learning how to handle corp to corp paperwork (contracts, billing, insurance, etc)? It's very easy to land contracts through agencies, who handle all of that stuff for you, but billing these kind of rates through them is not possible, since they are going to take a large cut for themselves.