Try free Jitsi desktop video conferencing if you need to have an online meeting with video, voice, text chat, screen sharing, and document collaboration
No registration or software install is even needed. You just head over to https://meet.jit.si and choose the room name you want to use and you start the session. Just e-mail or text message the link out and others click to join the meeting from their desktops or phones (again no registration).
Another feature is being able to play a streaming video within the room, for example, a YouTube video. It also has a button for people to raise a "virtual hand" to speak.
It really does not get much cheaper or easier than this! You can set a password for anyone to enter the room if you wish to.
Jitsi is free and open source software and is often found embedded in websites and team chat services to provide a fully functional video conferencing functionality, The link above is for their stand-alone service.