Bastion Amazon PPC: plan to reach 3.0 ROAS

For Erik Gussey (DEFY) · from Mike Navitsky, Bastion · November 10, 2026
Data window: Oct 10 to Nov 8, 2026 (30 days), US profile only
Nothing has been changed yet. These are proposals for your review. Please tell us what you agree with, what you would do differently, and anything we are missing. We especially need your view on the questions at the end, since your weekly automation touches the same campaigns.

Sources. Amazon Ads API v3 reports (campaigns, placements, search terms, targets, advertised products) cross-checked against BidHarmony. The two match within 0.5%. Sales are Amazon's 7-day attributed sales. The last ~7 days are under-counted until attribution settles.

1. Where we are

Ad typeSpendAd salesROAS
Sponsored Products$20,350$53,0212.61
Sponsored Brands$2,482$7,1952.90
Sponsored Display$399$2690.67
Total$23,231$60,4852.60

SP ROAS by week: Oct 10: 2.82 · Oct 17: 2.57 · Oct 24: 2.68 · Oct 31: 2.45. Target is 3.0 or better.

Aluminum went from $34.99 to $39.99 on Nov 5 on all channels, so Aluminum results after that date are not in this read yet.

2. What is working (keep)

3. Where the money leaks

  1. Brand Keywords spends on product pages. SP - Defense - Brand Keywords: $5,185 total, of which $4,116 (79%) went to product pages at 1.42. Settings now: default bid $1.43, TOS +301%, ROS +111%, PP +2%. The phrase keyword "bastion" won only 0.57% Top of Search impression share.
  2. Search terms that never convert. In generic (non-brand, non-ASIN) terms, $7,050 of $10,593 went to terms with zero sales, mostly a long tail under $5 each. Average generic CPC is $0.91; at our conversion rate and AOV, 3.0 needs about $0.61. 193 terms spent $5+ with zero sales ($2,105).
  3. Campaigns under 1.5 ROAS (table in fix F2): $2,170 spend, $2,369 sales.
  4. Refill searches at pen CPCs. "bastion pen refills" runs in Brand Keywords: $578 at 1.29, $1.32 CPC. Refills convert well in their own campaigns at lower CPC.
  5. Weak products in generic campaigns. Aluminum full-size: $4,200 at 1.64 (Pink 0.53, Jet Black 1.16, Purple 1.48, Red 1.96, Royal Blue 1.99). Carbon Fiber Black: $2,632 at 1.74. Slim Pink 1.09.
  6. Evenings. 4pm to midnight Pacific runs about 1.9 vs about 2.6 the rest of the day (BidHarmony hourly view, used for relative comparison only). The current dayparting schedule only covers the 7 DEFY | KW campaigns, which spend about $0.
  7. Sponsored Display overall at 0.67.
  8. Pending BidHarmony suggestions, unapproved: 23 Pause Target (expire ~Nov 16), 43 placement adjustments, 5 SB +10%. The Auto Keyword Harvest and Pause Targets rules have never run.

4. Phase 1: proposed now

F1. Rebalance Brand Keywords placements SP - Defense - Brand Keywords

SettingNowProposedEffective bid now → after
Default bid$1.43$0.85
Top of Search+301%+575%$5.73 → $5.74
Rest of Search+111%+255%$3.02 → $3.02
Product pages+2%0%$1.46 → $0.85

Search bids stay the same; product-page bid drops 42%. If keyword-level bids are set, scale each by 0.594 the same way. Estimate: about $2,040 less spend, up to $2,880 less ad sales (some of which is brand demand that would convert organically).

F2. Pause campaigns under 1.5 ROAS

CampaignSpendSalesROASBudget
SP-AUTO-Quality$321$2010.62$10
SP-PHRASE-Quality$309$4591.49$25
DEFY | SD - Views Remarketing - Catch All$300$1540.51$5
DEFY - SP | Consideration | All Pens And Pencils (Manual)$292$4041.38$200
SP-AUTO-Slim$252$3501.39$10
SP-BROAD-Womens$250$3501.40$15
SP-EXACT-Mens-Gift$189$2171.14$40
SP-AUTO-Womens$101$1191.18$10
DEFY - SP | Core Competitors (Manual)$83$1151.38$50
SP-PHRASE-Womens$45$00.00$25
SD - Pens$28$00.00$5
Total$2,170$2,3691.09

If any of these feed something we can't see in the numbers (remarketing audiences, rank support), we'd rather cut bids than pause. Your call.

F3. Negate zero-sale search terms

164 terms spent $5+ with zero sales in campaigns we are keeping ($1,749). Full list with campaign, ad group and suggested action: zero-sale-terms.csv.

Estimate: about $1,500 less spend, about $0 sales lost.

F4. Route refill searches to the refill campaign

Estimate: about $350 less spend, about $0 sales lost (refill sales move to the cheaper campaign).

F5. Clear the BidHarmony queue

Approve the 23 Pause Target suggestions before they expire (~Nov 16), and the 5 SB +10% suggestions (SB is running near 3.0). The 43 placement suggestions: we'd like your read first, since they come from the Last 30 Manual rule and some may conflict with F1.

Phase 1 estimate (a projection, not a result): spend about $17,200/month, ad sales about $55,000, ROAS about 3.2. If more sales drop than we expect, still about 3.1.

5. Phase 2: after about 2 weeks of Phase 1 data

Phase 1 + 2 estimate: ROAS about 3.3.

6. Questions for you

  1. Your DEFY | All Campaigns (Automatic) rule moves bids ±10% every Sunday, and the placement rule moves ±3 points. Will they undo F1 and F6? Can those two campaigns be excluded for two weeks, or would you rather make these changes inside your rules?
  2. Are you OK pausing the three DEFY campaigns in F2, or do you see value there we are missing?
  3. Who should approve the pending BidHarmony suggestions, you or us?
  4. Anything here you disagree with, or would do in a different order?