Steve Weiss, CEO of MuteSix, shares strategies for scaling Facebook ads while maintaining consistent ROI, emphasizing the importance of testing creatives, segmenting campaigns, and using social proof. He advises leveraging mobile video and Instagram ads, optimizing for various stages of the buying cycle, and connecting email marketing to Facebook for targeted advertising. Key tactics include utilizing automated rules for ad performance, creating native-looking Instagram ads, and employing dynamic product ads to increase engagement and conversions.