The brands that win Prime Day do not win it on Prime Day. They win it in the seven days before, when the work is boring and reversible. By the time the event opens, every real lever has already been pulled. Inventory is positioned. Deals are locked. Listings are final. Bids are set. What happens during the event is mostly the result of decisions you made the week prior.

That is the uncomfortable part. The week before is when a great event and a wasted one separate, and most of the deciding work is unglamorous. Use the next seven days to close gaps, not to invent strategy. Here is the checklist we run for the brands we manage.

Confirm inventory will survive the spike, not just the day

The fastest way to lose a Prime Day is to sell out at 2 p.m. and watch your rank, your deal badge, and your momentum evaporate at the same time. Running out does not just cap revenue. It hands the placement you paid to win straight to a competitor, and you keep paying for clicks on a listing that can no longer convert.

Pull your sell-through rate for the last 30 days and model the event as a multiple of a normal day, not an average one. A 3x to 5x lift on your hero products is a reasonable planning range for a strong deal, and the honest move is to plan for the high end. Check three things this week:

If you cannot get more units in this week, that is fine. Adjust the plan instead: throttle ad spend on the at-risk ASIN so you sell through at full price rather than burning ad budget to sell out faster.

Lock pricing and the deal mechanics

Pricing during a major event is a margin decision before it is a marketing decision. Before you commit to a Lightning Deal, a Prime Exclusive Discount, or a coupon, run the contribution margin at the discounted price. If you are not sure what that number is, this is the week to find it, because contribution margin, not revenue, is what should drive every Amazon decision, and a discount that looks fine on revenue can be underwater on profit.

A few rules keep you out of trouble:

Every discount you offer is a check you write against margin. Sign it on purpose, not in the rush of event week.

Finalize creative so the extra traffic actually converts

Prime Day sends a flood of traffic to listings that, the other 363 days a year, get a trickle. That traffic is colder and more comparison-driven than usual. People are scanning deals, not searching for you by name. A listing that converts fine on warm branded traffic can leak badly under that scrutiny.

You will not rewrite your catalog this week, and you should not try. Audit your hero products only, and fix what suppresses the sale. Start with the listing mistakes that quietly cost you the Buy Box, because a suppressed Buy Box on event day is a catastrophe, not an inconvenience. Then confirm the basics on your top ASINs:

Do not push major listing edits in the final 48 hours. Amazon can take time to re-index changes, and you do not want a re-crawl scrambling your rank the morning the event opens.

Tune PPC for a high-traffic, high-cost week

Ad costs rise during Prime Day because everyone is bidding into the same demand at once. Your job this week is to decide where you want to be aggressive and where you want to protect margin, then set the controls so the event does not spend your budget for you.

Work through your campaigns with intent:

Plan to watch budgets in the morning and again at peak hours, then mostly leave the structure alone. Event day is for small budget nudges, not for rebuilding campaigns.

Run the final pre-flight, then stop touching things

By the last day before the event, the work shifts from building to confirming. Walk the whole funnel one more time so nothing breaks at the worst possible moment.

The day-before pre-flight

The discipline that makes Prime Day work is the same discipline that makes the rest of the account work: inventory, pricing, creative, and PPC are not four separate projects, they move together. Brands that run the account as one system, not four projects feel the difference most during a high-stakes event, when a gap in one lane drains the other three.

Where to start this week

Pick your top three ASINs and run them through every section above today: inventory buffer, deal margin, hero-listing fixes, and campaign budgets. Those three products will drive most of your event, and getting them fully ready beats half-fixing your whole catalog. Then leave the listings alone for the final 48 hours and spend that time watching, not building. The week before is the event. Treat it that way and the day itself takes care of most of the rest.