I have a post that contains a video (or a slider) and some text.
Is it possible to hide the text on the home page, but still display the rest? How would I do that?
If your video is pasted into the post body, you have a couple of options.
I am going to recommend option #2 because option #1 involves processing markup with regex which is tricky and prone to error, and your question does not contain enough information for me to be able to write that anyway.
Then when you post content put the switched content between