Selling cash-secured Puts as explained in this (Subscription-only) post is deceiving. The strategy only works if the stock stops falling.Selling puts for income is not without risk: if the stock keeps falling, you must buy the stock at the agreed-upon exercise price.What stocks might give you some income?1. Sierra Wireless $SWIR: $SWIR, Sierra Wireless, Inc. / H1 SWIR plunged after the CEO's retirement. The momentum is gone. Do you bet that the sell-off ended? Comments are below.$CTL is another put-seller's favorite. The stock yields a dividend of 12 percent. Too good to be true. Beware. $CTL, CenturyLink, Inc. / H1 What about BlackBerry? $BB is "dead money" and going nowhere. The lack of volatility will give a low premium payout for selling puts. So, selling puts has no advantage over buying the stock: $BB, BlackBerry Limited / H1 Valeant $VRX's run implies little downside, so selling puts would give income with a low risk of getting exercised: $BHC, Bausch Health Companies Inc. / H1