Umang Raj

Set HOUDINI_PYTHONWARNINGS env variable to "error", so that it treats warnings as errors, and then your error will be visible on the python node hopefuly, i tested it with object level python node and it does show it as error on node-

Not very good at python, just searched for a python debugging option in the environment variable ref docs.

Creating paid tutorials comes with a big burden of expectations. You will have to create unique free tutorial to get the attention of viewers, but for paid one's uniqueness becomes a necessity, and also you have to make it feel premium.
I don't think ai is much big of an issue, with all the ml related lower level toolsets + the higher level tools, it will make better effects and cgi creatable for even an individual, just like the effects we created with cgi softwares we couldn't with only a camera.

You should try and minimize the flickering as much as possible, then you can use the sleep option in the vellum solver (under advanced tab).