The title "One Simple Trick That Doubled My Facebook Ads Sales" is often used for articles, videos, or case studies to grab attention and suggest a single, high-impact strategy.

While there isn't one universal "simple trick" that guarantees double sales for everyone, the search results consistently point to a few high-impact tactics that marketers frequently cite as game-changers:

Hyper-Targeted Retargeting (Custom Audiences): This is perhaps the most frequently cited "trick" that dramatically boosts ROI.

The Trick: Reaching people who have already interacted with your brand (visited your website, abandoned a shopping cart, engaged with your Facebook/Instagram content, etc.) with a specific, compelling ad.

Why it works: These users are "warm" leads who know your brand. A small nudge (like a discount, a testimonial, or an urgency-based offer) is far more likely to convert them into a sale than showing an ad to a completely cold audience.

Using High-Quality, Engaging Video or User-Generated Content (UGC):

The Trick: Moving away from static, "professional" images to short, snappy, and often authentic-looking video content (especially for mobile/Stories/Reels placements) or content created by real customers (UGC).

Why it works: Video stops the scroll, and authentic-looking content feels less like an ad, building trust and engagement.

Perfecting the Offer and Clarity:

The Trick: Making the value proposition and the Call-to-Action (CTA) crystal clear, simple, and urgent.

Why it works: Ambiguous offers lead to confused users who scroll past. An ad that clearly states "Get 25% Off - Ends Midnight" combined with a strong visual removes friction and compels immediate action.

Leveraging Lookalike Audiences from High-Value Customers:

The Trick: Using Facebook's algorithm to find new people who share the same characteristics (demographics, interests, online behavior) as your best existing customers or website purchasers.

Why it works: It's the most scalable way to reach a cold audience that is still highly predisposed to buy your product.

In summary, the "simple trick" is rarely a button you press, but rather a focus on highly effective audience targeting (retargeting and lookalikes) combined with compelling, mobile-friendly creative (often video/UGC) and a clear, urgent offer.