Wait for 3 or 4 days before expiration then select your targets.
Hey, if you are not comfortable with it, simply don't do it.
Many years ago, I had purchased calls on some stock. The next day the stock rocketed up. I put the calls for sale at maybe 5x the price I paid and got filled at the high of the day for those particular calls.
The boys in Chicago "whistled out" the trade at the end of day,(if it was a bad trade for them, it never happened) leaving me still long the next day and the stock tanked.
I suppose things have changed since those days in the wild west, maybe