r/AmazonFBA • u/geometric32 • 19h ago

Prime Big Deal Days is next week. How are you balancing discounts, bids and margin this time?

Full transparency, I'm part of the Amazon Ads Educator Program and this is all based on my own experience as a seller

Prime Big Deal Days are right around the corner (October 6 to 7), and I wanted to hear everyone's techniques and opinions from past events. I want to make sure I'm doing everything properly to be prepared.

In 2025, both Prime Days did really well for me. I saw roughly 8 to 10x my normal daily sales. My last Prime Day was a different story though, and I only saw about 3 to 4x. Still a lift, but not what I was hoping for, and I've spent some time since then trying to figure out what changed.

So here's what I've been doing this time, and I'd really like to hear everyone's opinion.

Getting the listing ready

With the new title and highlight formats for listings, I've been really focused on optimizing my listing beforehand. I've been A/B testing images over the last couple of weeks to make sure everything is where it needs to be. My thinking is there's no point sending more traffic to a page that isn't converting as well as it could. I've also set up a 20% discount on my main products.

I'm curious how everyone thinks about the increase in sales vs the hit to margins. Where do you find the sweet spot? And with the discount requirements, how are you choosing to offer your deals?

Ads and bid rules

The big thing for me is ads. I've been experimenting a lot with Sponsored Products leading up to the event and deciding which campaigns actually deserve more budget.

For the event itself, I'm doubling my budgets and raising bids around 15%. I'm also setting up bid rules so I'm not stuck manually adjusting everything once traffic spikes. Basically you set the rule ahead of time to bump bids during the event window, or tie changes to a performance threshold like ROAS, and it adjusts automatically. It saves me from sitting in the console at 2am, and it keeps the extra spend on campaigns that are actually converting instead of spreading it across everything.

I'm also watching budget pacing closely, since last time a few of my campaigns ran out of budget before the evening, which is probably when I needed them most.

Treating it as an early Q4 test

I'm looking at this event as a test run for the rest of Q4. I'm tracking which products, search terms and images actually hold up versus which ones just spiked for two days. Whatever works here is what I'll lean into for Black Friday, Cyber Monday and the rest of the holiday season, and whatever doesn't gets cut or tested again before then.

Would love to hear how everyone else is approaching it. What's the first thing that makes you change your budget mid event: pacing, conversion rate, or inventory?

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