DutchMark

'Take Off' with Boeing Option Combination Plays

Your return calculations for the option plays are severely flawed. Selling a put is equivalent to a covered call. Therefore you should consider your cash layout to be more than double of what you used. That means your expected returns are also less than half of the ones you calculated. No wonder those scenarios look so promising.

Selling puts is not free money with no downside risk, as is implicated by your article.