You forgot Step 3A
Angry mob of snowflakes in Donald Duck costumes descends on Trump, overwhelms Secret Service guard, and then treats Donald and Pence like Stevens in Benghazi.
Also Step 6. Hillary remains as POTUS after 20/1/17, but babbles incoherently in between coughing and fainting spells, shrieks racist epithets as they carry her away to Sanitarium.
Step 7. Her VP, Huma Abedin, becomes POTUS.
Alternative 3A. SCOTUS declares electoral college unconstitutional, declares only popular vote counts.