More notes on my favorite topic: programmatic advertising.
Most brands treat Amazon DSP as a separate line item. It sits in its own row on the media plan. It gets its own budget. It gets judged on its own ROAS. And when it underperforms in isolation, it gets cut. That is the wrong way to think about it. DSP is not a new channel. It amplifies every other layer in your existing digital funnel. If you have built the foundation correctly, DSP multiplies it. If you have not, DSP exposes every gap. Here is how it actually works.
The Flywheel You Already Built
Start with a simple observation. PPC has done its job. Best Seller Rank has climbed steadily. Reviews have grown from a handful to hundreds, holding a strong rating. The flywheel is spinning: PPC drives traffic. Traffic drives conversions. Conversions improve BSR. BSR drives organic visibility. That is the foundation. DSP does not replace it. DSP amplifies it.
Layer 01Organic Search
Organic search captures existing demand. You rank. You get impressions. You convert. But organic reach has a ceiling. It only reaches people already searching for you. DSP extends that reach to shoppers who are searching for the category, not your brand. It puts you in front of high-intent audiences who are looking up recipes, comparing products, or researching pantry staples. It is not competing with organic. It is expanding the pool.
Layer 02PPC and Sponsored Ads
PPC is the defensive layer. It protects your branded terms and captures bottom-of-funnel demand. DSP is the offensive layer. It attacks the unaddressed share of the category. In many categories, a large portion of shoppers have never purchased from the leading brand. PPC cannot reach those shoppers. DSP can. PPC fixes the bottom of the funnel. DSP attacks the top.
Layer 03The Digital Shelf
Your listings, A+ Content, Brand Store, and reviews all determine whether a shopper converts once they arrive. DSP drives traffic to those assets. It does not fix them. If your listings are weak, DSP will send traffic that does not convert. If your listings are strong, DSP compounds every impression into a higher conversion rate. The shelf is the landing page. DSP is the traffic engine.
Layer 04Subscribe & Save
DSP is where you convert one-time buyers into subscribers. Target lapsed buyers who purchased months ago but have not reordered. Pull them back into the funnel. Use DSP to drive Subscribe & Save conversion, because a Subscribe & Save customer delivers significantly more value over time than a one-time buyer. That is not a media metric. That is a lifetime value metric. DSP does not just acquire. DSP retains.
Layer 05New-to-Brand Acquisition
DSP is the only layer that can systematically reach shoppers who have never bought from you. Target shoppers who viewed competitor products but did not purchase. Layer in a strict exclusion window so you don’t spend a single dollar on anyone who has bought from you recently. Every impression is incremental. That is the discipline DSP requires.
The Amplifier Framework
Why Most Brands Get This Muddled
They judge DSP on its own ROAS.
That is like judging a megaphone on how loud it is without considering what it is amplifying.
If the message is wrong, the megaphone makes it worse. If the foundation is strong, the megaphone makes it dominant. DSP should be measured on:
- Incremental new-to-brand purchases
- Subscribe & Save conversion rate
- Cost per new subscriber against lifetime value
- TAM expansion
Not defensive ROAS. That is a different scorecard. And it requires a different mindset.
The Takeaway
If you have built your PPC foundation, optimized your digital shelf, and structured your Subscribe & Save program, DSP is the highest-leverage amplifier you have. If you have not, DSP will not save you. Build the foundation first. Then amplify it. PPC fixes the bottom of the funnel. DSP attacks the top. Together, they compound.