The cavalry isn't coming. That can mean only one thing:

We are the cavalry. The American people have been the cavalry the whole time.

Given the surge in awareness around Trump's election interference, and the outrageous behavior we're already seeing, why not just demand that Trump rescind all of his executive orders and resign by Feb 12 Feb 22*, or we start shutting things down. People stop paying rent, people call in sick, people pull their money out of banks and move it into credit unions en masse. Cancel their subscriptions. Whatever. It doesn't require everyone to do all of these things, just enough people doing enough things to freak out the ruling class.

* Feb 22 is George Washington's birthday. As someone pointed out, Lincoln's birthday might not leave enough time to get the word out, so I am now saying Washington's birthday.
[*Feb 12 is Abraham Lincoln's birthday]

A specific demand, with a specific timeline, with specific actions that anyone can take