This is a part-time, flexible job with no benefits other than you can probably write-off mileage.
Networking and clear, organized schedule of appointments and payments
Marketing, students, website, advice, community of tutors via blogs.
They provide tools to encourage you to hone your marketing skills
None. They provide support if you have questions and you set your travel radius and they send you an email any time there is a student looking for a tutor that fits your qualifications and travel radius.