"do it the day before but don't buy the front month (too much decay). it's the been easiet trade for nearly two years.
but i'm "a short and a basher and liar", so what do i know.
tguns & stonecold have more experience in Rimminal Movements than I but I would caution anyone buying Puts around ER to buy calls at the same strike & month. This way all you need for profit is a VIOLENT movement EITHER way.
The reason I say this is than Rimm has been so beaten down that almost anything can cause a dead cat bounce at any time.
What was that title of the 60's Hippie Book, "Been down so long it looks like up to me?"
If you buy both Put & Call the only thing that can lose you money is if Rimm whipsaws around the strike price. But if that happens you know how much your maximum loss is ahead of time.