If you could advise a rookie starting over, what strategies would you tell him to concentrate on, and what risk reward numbers to stay within?
Synthetic straddles (short) with upside long call.
Long 100 XYZ; short two 20D calls; long one 5D call
(or if you don't want to commit to full lots...)
Long 50 XYZ; short one 40D call; long one 10D call.