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Amazon PPC is conceptually simple and operationally brutal. The wrong bid strategy can burn $500/day for weeks. This walks through the auto → manual workflow that vetted specialists use to keep ACoS in the 18-25% range.
Who this is forSellers launching Sponsored Products for the first time, or sellers with running campaigns whose ACoS is north of 30%. Especially relevant if you’ve set up campaigns but never had a structured negative-keyword cadence.
What you'll need
Step 1
Break-even ACoS = (profit margin / sale price) × 100. Target ACoS should be 60-80% of break-even for sustainable growth.
Pull your unit economics: Sale price - COGS - FBA fee - referral fee = pre-ad profit.
Example: $25 sale, $7 COGS, $4.50 FBA fee, $3.75 referral (15%) = $9.75 pre-ad profit. Break-even ACoS = $9.75/$25 = 39%.
Target ACoS for sustainable growth: 60-80% of break-even. So $25 SKU with 39% break-even = target ACoS of 23-31%.
Launching a new product: tolerate higher ACoS (often 50-70% of sale price) for the first 60-90 days to build velocity. Amazon ranks new ASINs partly on sales velocity, so unprofitable early sales pay back in higher organic rank.
Established products: ACoS should match or beat target. If actual ACoS > break-even for 30+ days, the campaign is bleeding money.
Step 2
Advertising → Campaign Manager → Create campaign → Sponsored Products → Automatic targeting. Budget: $20-40/day. Bidding: Dynamic bids (down only) for first 14 days.
Go to Advertising → Campaign Manager → Create campaign → Sponsored Products.
Choose "Automatic targeting." Amazon’s algorithm shows your ads against searches it thinks match — your job is to harvest the winners into manual campaigns.
Campaign name: use a structure like "AUTO-[Product]-[Date]" so you can find it 3 months from now.
Daily budget: $20-40 for the first 14 days. Below $20/day = insufficient data. Above $40/day for an unproven product = burning money.
Bidding strategy: "Dynamic bids - down only" (Amazon lowers your bid when conversion looks unlikely). Safer than "up and down" for new sellers.
Default bid: start at $0.75-$1.20 depending on category competitiveness. You’ll tune this in week 2.
Targeting groups: enable all 4 (Close match, Loose match, Substitutes, Complements). Each has different conversion behavior — you want data on all.
Run for 14 days minimum before analyzing.
Step 3
After 14 days, pull Search Terms report. Move converting search terms into manual campaigns as exact-match keywords. Add non-converting spend terms as negatives.
Reports → Advertising Reports → Search Terms Report → date range: last 14 days. Download CSV.
In the CSV, sort by "7-day Total Orders" descending.
Any search term with 2+ orders AND ACoS below target → harvest into a manual exact-match campaign (Step 4).
Any search term with $5+ spend and 0 orders → add as a NEGATIVE EXACT keyword to the auto campaign. This stops you paying for non-converting traffic.
Any search term that converted at 5x+ break-even ACoS (e.g., 100% on a 25% target) → add as a NEGATIVE EXACT too. These are converting but expensive — wait for organic rank to absorb them.
Repeat the harvest cycle every 14 days for the first 90 days of a campaign.
Step 4
For each harvested keyword: create one manual campaign with three ad groups — Exact, Phrase, Broad. Bid higher on Exact, lower on Broad.
Campaign Manager → Create campaign → Sponsored Products → Manual targeting.
Name: "MAN-[Product]-[KeywordCluster]-[Date]" (e.g., "MAN-Headphones-WirelessTravel-2026-05").
Inside the campaign, create THREE ad groups: Exact Match, Phrase Match, Broad Match.
In each ad group, add the same harvested keyword in its respective match type.
Bid hierarchy: Exact bid > Phrase bid > Broad bid. Example: Exact $1.50, Phrase $1.10, Broad $0.80. Why: Exact converts highest, so it deserves more aggressive bidding.
Daily budget: $15-30 per manual campaign. Most successful sellers run 10-30 manual campaigns simultaneously.
Bidding strategy: "Dynamic bids - up and down" for manual exact campaigns once you have data; "Down only" for new manuals.
Step 5
Sponsored Brands = headline ads driving to your Store. Sponsored Display = remarketing + competitor-targeting ads. Both require Brand Registry.
Sponsored Brands: Advertising → Sponsored Brands → Create campaign. Use the "Store Spotlight" format to drive traffic to your Amazon Store.
Sponsored Brands ACoS targets: 15-25% (higher CPC than Sponsored Products, but drives brand-search lift).
Sponsored Display: Advertising → Sponsored Display → Create campaign. Two key strategies: (a) "Views remarketing" — target users who viewed your ASIN but didn’t buy; (b) "Product targeting" — show your ads on competitor ASINs.
Sponsored Display ACoS targets: 25-40% (remarketing has lower volume but higher conversion).
Don’t launch all three ad types in week 1. Sequence: weeks 1-4 Sponsored Products only. Weeks 5-8 add Sponsored Brands. Weeks 9+ add Sponsored Display.
Step 6
Every Monday: pull Search Terms report. Harvest new winners, negate losers, adjust bids on top spenders by ±10-20%.
Monday morning (or whatever weekly cadence you commit to): Reports → Advertising Reports → Search Terms (last 7 days).
For each ad group: identify top-spend keywords. If ACoS > target on a keyword spending $20+ in the week, drop the bid 10-20%. If ACoS < target on a keyword with high conversion, raise bid 10-20%.
Add 5-15 new negatives per week based on losing search terms.
Harvest 2-5 new winners into new manual ad groups per week.
Track at the account level: TACoS (Total ACoS). If TACoS is declining month-over-month, organic is growing — keep PPC steady. If TACoS is rising, organic is degrading and PPC is propping up sales — investigate listing/review/Buy Box issues.
Step 7
At 30-day mark: ACoS should be within 20% of target, TACoS should be 60-80% of campaign-level ACoS, and you should have harvested 20+ manual keywords from auto.
Pull a 30-day Campaign Performance report. ACoS column at the campaign level.
Healthy state: ACoS within 20% of your target (so target 25% → actual 20-30% is fine).
TACoS check: Reports → Business Reports → Detail Page Sales by ASIN. Divide ad spend by total revenue per ASIN. TACoS should be 60-80% of campaign ACoS.
Keyword count check: in manual campaigns, you should have 20-60 keywords running by day 30. If you’re still under 10, your harvest cadence is too slow.
Negative keyword count check: you should have 50-150 negatives across campaigns by day 30. If under 20, you’re paying for too much junk traffic.
Common mistakes
Launching with manual campaigns only (skipping auto)
What goes wrong: You bid on the 5-10 keywords you guessed. You miss the 60+ keywords your customers actually search. ACoS is artificially high because you’re only catching head terms — long-tail (often cheaper-converting) traffic is invisible.
How to avoid: Always launch with auto first. Run for 14 days. Harvest winners into manual. Then optimize. Sellers skipping the auto-discovery phase typically run ACoS 40-50% higher than they should.
No negative-keyword discipline
What goes wrong: Auto campaigns burn budget on irrelevant terms (job seekers, DIY searches, competitor brand names you can’t convert). Without weekly negatives, ACoS climbs to 50-80%. On a $2K/mo ad budget, that’s $400-800/mo of waste.
How to avoid: Weekly Search Terms report → add 5-15 negative keywords per week. Build a Negative Keyword Lists at the portfolio level for common junk (jobs, free, DIY, cheap). Apply to every campaign.
Setting daily budgets too low for the bid
What goes wrong: A $20/day budget with $1.50 default bids spends out by 10am, missing 80% of the day’s impression opportunity. Conversion data is biased toward morning shoppers and you under-optimize.
How to avoid: Budget should support at least 20 clicks/day (so $30+/day at $1.50 CPC). If budget is constrained, lower default bid first — don’t spend out at noon.
Changing bid strategy too often
What goes wrong: Switching between "Dynamic bids up/down" and "Fixed bids" weekly resets Amazon’s learning. Performance never stabilizes. Sellers chase a moving target for months.
How to avoid: Commit to one bid strategy for 30 days minimum. For new campaigns: Dynamic bids - down only. For mature campaigns with data: Dynamic bids - up and down. Don’t flip.
Treating ACoS as the only metric
What goes wrong: You optimize a campaign to 15% ACoS by negating mid-funnel keywords. Volume drops. Organic rank drops because Amazon weighs sales velocity. 60 days later, organic sales are down 30% — net negative.
How to avoid: Track TACoS (total ad spend / total revenue). A 25% ACoS campaign delivering 10% TACoS is far better than a 15% ACoS campaign delivering 18% TACoS. Always measure both.
Not separating brand keywords from product keywords
What goes wrong: You run brand-name PPC alongside product-keyword PPC in the same campaign. Brand keywords convert at 30%+, product keywords at 5-10%. The campaign-level ACoS looks fine, but you’re paying ad money for customers who would have found you organically (brand search = your customer).
How to avoid: Always isolate brand keywords into a "BRAND-DEFENSE" campaign with low bids ($0.30-$0.50). This stops competitors from stealing your brand traffic at higher CPCs while not over-paying for traffic that would convert anyway.
Recap
Done — what's next
How to set up Amazon product listings with keyword optimization
Read the next tutorial
Hand it off
Amazon PPC management is a daily job, not a launch project. The sellers who keep ACoS at 20-25% have someone running search-term reports weekly, harvesting keywords, adjusting bids, and watching TACoS month-over-month. Vetted Amazon PPC specialists run $14-16/hr — typical engagements are $800-2,400/mo and routinely pay back 3-5x in ad efficiency within 60 days.
See Amazon PPC specialist rates
It depends on your margin, not industry benchmarks. Healthy ACoS is 60-80% of your break-even ACoS. For a 35% break-even SKU, target 20-28%. For a 50% break-even SKU, target 30-40%. Anyone quoting "industry average ACoS of X%" without knowing your margins is guessing.
First conversions: 24-72 hours if your listing has 5+ reviews and a competitive price. Steady-state performance: 14-21 days of data. Optimized state (negatives in place, manuals harvesting): 60-90 days. Sellers expecting day-1 profitability from PPC usually panic-pause campaigns before data stabilizes.
Start with Sponsored Products only — it drives 70-80% of Amazon ad revenue for most sellers. Add Sponsored Brands once you have a Store (Brand Registered). Add Sponsored Display for remarketing once your other campaigns are stable. Don’t launch all three in week 1 unless you have $5K+/mo budget.
Amazon PPC has the highest commercial intent (customers are already on Amazon to buy), so conversion rates are 5-10x higher than Google Search Ads on the same query. CPCs are higher too — typically $0.80-$2.50 vs $0.50-$1.50 for Google. Net: Amazon ROI is usually better for products that match search intent. For brand awareness or top-of-funnel, Google/Meta remain stronger. See our google-ads and meta-ads tutorials for those workflows.
Auto: Amazon picks keywords based on your listing — best for keyword discovery in weeks 1-2. Manual keyword: you pick exact, phrase, or broad keywords — best for scaling proven winners. Manual product (ASIN-targeting): you show ads on specific competitor product pages — best for stealing competitor traffic on mature listings.
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