This is basically the answer. I did credit spreads for a maximum loss amount I was willing to lose in the absolute worst case scenerio in exchange for the profits I was making. I did maybe 50 to 60% max of my total portfolio so never a blowout could happen. The best way to control risk in selling naked options is to simple control how much of your portfolio you put at risk. Even with naked options this can be controlled to a certain extent.