Industry standard practice is that literary agents are paid for their work through the commission they make when they sell your book and not by directly charging the author(s) they represent. As a client, you may be required to pay for the cost of making phone calls and mailing packages.
Place the Italian sausage links, spaghetti sauce, green pepper and onion into a slow cooker. Stir to coat everything in sauce. Cover, and cook on Low for 6 hours. Serve on hoagie rolls.
Add the onion and cook over medium-low heat until translucent (about 5 minutes). Add the garlic and stir for one more minute. Then add the sausage and cook over medium-low heat, breaking it up with a wooden spoon, for 10 to 15 minutes, or until fully cooked and no longer pink. Add the crushed tomatoes, marinara sauce, tomato paste, oregano, basil, sea salt, and freshly ground black pepper.