Pricing varies widely as do topics.
If you are interested in pursuing this avenue of Professional Development, please be aware of the credit opportunities, pricing structure and procedures at each institution. Click on the 30-day free Trial for Connected University. After you register you can take a tour or click on the link to the courses that are offered. There are too many to list here, but some of the offerings are Internet Basics, Science and Technology for Grades 7-12, Creative Assessment Strategies, Teaching Multiple Intelligences through Technology and WebQuests. There are also many on line tutorials and how to's.