cornerstone weed killer
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Growth
Incredible+167.3%90-day search growth — must beat 0% to launch
Price range
Incredible$43.15–$96.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$74.93avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,841.5avg incumbent reviews — the moat a new listing must climb
Market size
Bad$12K$12K/yr · 5K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cornerstone weed killer is a $12K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Skip it — 45/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
cornerstone weed killer market data
- Units sold / yr
- 250–500
- avg 100–250/product
- Revenue / yr
- $19K–$37K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #271
- Page quality
- 0%
- Prime
- 25%
- Sponsored
- 25%
- Out of stock
- 0.0%
- Avg brand age
- 110 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
24
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- WECHEM71%
- Generic19%
- RM436%
- VIVIPOOOL4%
Demand & seasonality
Weekly Amazon search volume, last 93 weeks — +167.3% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 54.2×
Top cornerstone weed killer products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Cornerstone Plus Non Selective Herbicide weed killer 2.5 Gallon
WECHEM$81.624.6★217 rev
Generic Cornerstone 5 Plus Herbicide 2.5gal
Generic$96.704.3★10 rev
RM43 Concentrated Extended Control Weed Killer
RM43$78.234.6★10,691 rev
41% Glyphosate Super Concentrate Weed & Grass Killer (1 Gallon)
VIVIPOOOL$43.154.2★448 rev
Newest
by launch date41% Glyphosate Super Concentrate Weed & Grass Killer (1 Gallon)
VIVIPOOOL$43.15448 rev
Generic Cornerstone 5 Plus Herbicide 2.5gal
Generic$96.7010 rev
RM43 Concentrated Extended Control Weed Killer
RM43$78.2310,691 rev
Cornerstone Plus Non Selective Herbicide weed killer 2.5 Gallon
WECHEM$81.62217 rev
Trending
90-day click momentumWhat buyers say about cornerstone weed killer
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent to deal with weed problems”
“Better than the name brands”
“Great value for money”
“As advertised”
“it is really strong”
“easy to use mixes good spray and wait buy the big bottle and save”
“It did the job”
“Has kept my weeds away for a full year”
“Easy instructions for easy application”
“seems light”
What buyers complain about
“Did not work well”
“Yes, it's considerably more cost”
“dead weeds”
“not this one I sprayed it on Friday morning here it is Saturday”
“Takes at least a week to really start working well”
“Absolute garbage”
“Give the plants time to die”
“this is very thin”
“this is junk does not work at twice the strength”
“About 4 ounces seems to have leaked out”
Top return reasons
Common questions
- Is cornerstone weed killer profitable to sell on Amazon United States?
- The niche generates $12K/yr across 4 tracked products. 90-day search growth is +167.3%. Flapen's verdict: Skip it (45/100).
- How competitive is the cornerstone weed killer niche?
- 4 brands and 24 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in cornerstone weed killer?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Pest/Insect Control. The return rate is 0.2%.
- When does demand for cornerstone weed killer peak?
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 54.2× the quietest.
- What does it cost to enter the cornerstone weed killer niche?
- Listings span $43.15–$96.70; the average listing price is $74.93 (sweet spot $15–$100). The average incumbent carries 2,842 reviews — the moat a new listing must climb.