Google Ads Strategies for Retailers With Large Inventories

Google Ads Strategies for Retailers With Large Inventories

Succeeding in ecommerce takes more than great products. It requires precise, data-driven marketing strategies. Tools like Google’s Smart Bidding and Performance Max (PMax) use machine learning (ML) and artificial intelligence (AI) to help marketers optimize ad spending, fine-tune campaigns, and achieve better results. With the right approach, these tools can elevate your campaigns, surpassing performance goals and maximizing your return on ad spend (ROAS).

Smart Bidding With AI for Ecommerce & Retail Success

Smart Bidding is a must-have tool for ecommerce and retail marketers using Google Ads. Powered by AI and ML, it optimizes your bids in real time for every ad auction based on the conversions you prioritize. This precision ensures your bids match each user’s search intent.

With strategies like Target CPA (cost-per-action), Target ROAS, Maximize conversions, and Maximize conversion value, Smart Bidding eliminates the need for manual bid adjustments. The more conversion data you provide, the smarter the AI becomes, improving outcomes and fine-tuning your campaigns over time. For marketers in a competitive landscape, Smart Bidding offers intelligent automation and data-driven insights to help you achieve better results faster.

Is Smart Bidding the Right Choice for Your Brand?

Smart Bidding is an effective tool for ecommerce and retail brands aiming to improve campaign performance. It uses data to optimize even new campaigns, providing a strong start without relying on historical data. For accurate results, Google recommends reviewing performance over a timeline that includes at least 30 conversions (50 for target ROAS campaigns). Adding relevant keywords to low-volume campaigns can also expand targeting and boost conversions.

However, Smart Bidding requires careful management. Advertisers must comply with Google Ads policies and legal guidelines while understanding the contextual signals that influence its performance. This ensures Smart Bidding aligns with your brand’s strategy and delivers impactful advertising.

Also Read: From Hype to Execution: Why You Need a Conversational AI Marketing Plan Now

Why Smart Bidding is Essential

Smart Bidding offers key benefits that retail and ecommerce marketers can’t ignore:

  • Customizable Goals: Set performance targets tailored to your business objectives.
  • Powerful ML: Analyze data across your account to predict how bid levels affect conversions and value.
  • Real-Time Contextual Signals: Optimize bids using real-time data like device, location, and other unique parameters.
  • Detailed Insights: Access performance reports that make it easy to track results and make quick adjustments.

Better Segmentation for Higher Returns

The way you segment your campaigns directly impacts your results. While many marketers focus on segmenting by brand, targeting by conversion value or price point is often more effective for maximizing ROAS.

Segmenting by price point allows you to align ROAS targets with the average order value (AOV). Higher-priced products benefit from higher bids and more relaxed targets, increasing visibility and conversion potential. Meanwhile, lower-priced items should have stricter targets and smaller bids to control spending more effectively.

For extremely low-priced products, consider excluding them from your feed if they’re unlikely to be profitable. For instance, if a $2 product has a $1 CPC, it’s unlikely to deliver ROI and will waste your budget.

To optimize further, connect your Google Merchant Center to Google Analytics. This lets you track product sales and attribute them to campaigns, helping you refine strategies and allocate budgets efficiently.

Smart segmentation and accurate targeting are essential for scaling your ecommerce advertising while maintaining profitability.

Budgeting Tips for Better Campaign Performance

Get the most from your campaign by using custom labels and reviewing your feed every three to four weeks. For high-budget accounts, more frequent reviews are recommended. Shift your budget toward products with the best conversion rates, highest ROAS, and strong market demand. Don’t rely solely on portfolio bidding tools; a hands-on approach is necessary to consistently meet ROAS targets. If profitability is key, use custom labels to prioritize high-margin products, ensuring they receive the budget and competitive bids needed to stand out. Stay precise, consistent, and strategic in your budget allocation.

Transitioning From Smart Shopping to Performance Max 

Google retired Smart Shopping campaigns in 2022, replacing them with PMax. This update offers ecommerce and retail marketers greater functionality and flexibility with smarter, AI-driven advertising solutions. By September 2022, all Smart Shopping and Local campaigns were automatically upgraded, reflecting Google’s shift toward automation.

Both Smart Shopping and PMax campaigns use Google’s machine learning to automate targeting and optimization, unlike Standard Shopping campaigns that require manual adjustments. However, PMax goes further by offering more tools and customization, enabling marketers to run precise, multi-channel strategies.

What Sets PMax Apart from Smart Shopping?

  • Multi-Channel Reach: PMax combines Display, Search, Shopping, and YouTube ads, allowing you to reach your audience across multiple platforms with varied ad formats. Perfect for scaling campaigns or omnichannel strategies.
  • Asset Groups for Better Targeting: PMax uses themed asset groups connected to specific audiences and product categories. This organizes your campaigns and delivers highly tailored ads to customer segments.
  • Flexible Goals: Unlike Smart Shopping’s focus on clicks and sales, PMax allows you to select multiple objectives like sales, leads, traffic, or store visits. You can assign different values to each goal, offering better control and insights.
  • Audience Signals: Add audience signals, such as customer data or website visitors, to give Google’s algorithms a head start in targeting the right people, even during early campaign phases.
  • Smarter Budget Allocation: PMax combines budgets across channels for streamlined spending and improved performance, reducing waste and maximizing ROI.

For businesses ready to leverage advanced capabilities, PMax is your go-to upgrade. However, it does have a limitation—currently, it offers less insight into metrics like impression share lost due to rank or budget, which might be a concern if you rely on these for deeper analysis. Those with smaller campaigns or specific segmentation needs might still prefer Smart Shopping for now.

Google has increased the negative keyword limit for PMax campaigns from 100 to 10,000,  aligning it with search campaigns. This gives marketers more control over ad placements while keeping them effective. Upcoming updates will include support for negative keyword lists, and current features like brand exclusions and account-level negative keywords already add extra control.

The future of ecommerce and retail advertising is powered by AI tools like Smart Bidding and PMax campaigns. These innovations help optimize campaigns, target audiences, and allocate resources with greater precision. By using ML and real-time signals, businesses can achieve better results at scale. To succeed, focus on understanding your data, segmenting effectively, and aligning strategies with your goals to maximize profitability and stay competitive.

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