Let me ask again. Isn't there an easy way? I have written a tiny bit of a course to experiment with. I have made all kinds of settings adjustments. All I want is for a few students across the country and around the world who would like my math and science tutoring to be able to bring up Big Blue Button, ask questions that I can see on their paper, and give them direction in how to complete the problems by showing my responses on paper (through a camera and microphone and over the internet). From the start, I did not expect to write a course, but maybe I will continue to develop a course based on my learners' questions - as an aid, so my few students can review and practice, etc. Of course I expected to get more students by word of mouth.
This is pretty much exactly what I discussed with a moodle staff person about 5 month ago. He insisted it would all be that easy. And he said there was a forum with answers to every possible question I could have. So I went with moodle. So far I have not been able to get one single friend who has been able to simply and easily sign up to take my course.
But I hope I have at least somehow helped the colleges and universities. The important thing is to make sure things get better for the greater number of people.