---
title: "Walk Behind String Trimmer — $963K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/walk-behind-string-trimmer"
last_updated: "2026-08-09T13:42:16.324Z"
locale: en
meta:
description: "Niche score 61/100 · $963K/yr market · 430K searches/yr · $392.89 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 61/100 · $963K/yr market · 430K searches/yr · $392.89 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Walk Behind String Trimmer — $963K/yr Amazon US Niche (2026) - Flapen"
---
# **walk behind string trimmer**
**Launch it**
A $963K/yr market growing +213.0% this quarter with returns at 2.9% — clears our launch bar.
Market size 77Growth 98Conversion 7Competition 59Returns 51Price range 2Avg price 16Brand share 58Review moat 66Quality gap 98
**Growth**
**Incredible****+213.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Incredible****3.8★**
avg incumbent rating — lower means beatable quality
**Market size**
**Great****$963K**
$963K/yr · 430K searches
**Review moat**
**Good****848.64**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Bad****$392.89**
avg listing price — sweet spot $15–$100
**Conversion**
**Bad****0.6%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$39.42–$2927.47**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, walk behind string trimmer is a $963K/yr Amazon United States market (430K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Launch it — 61/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **walk behind string trimmer market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$786K–$982K**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#438**
- **Page quality**
- **0%**
- **Prime**
- **54%**
- **Sponsored**
- **71%**
- **Out of stock**
- **22.3%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **144 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**42**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 93%
**Open market**
**26%**
- SENIX22% - EARTHQUAKE19% - BILT HARD18% - BLACK+DECKER7% - PROYAMA5% - Powerhorse4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +213.0% search growth over the last 90 days.
20K15KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 8.6×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/walk-behind-string-trimmer/trend)
## **Top walk behind string trimmer search terms**
- **walk behind string trimmer**80K/yr+204.7%0.6% conv. - **walk behind brush cutter**47K/yr+150.7%0.3% conv. - **brush mower**42K/yr+153.9%0.2% conv. - **walk behind weed eater**21K/yr+405.5%0.5% conv. - **brush hog mower**36K/yr+147.9%0.2% conv. - **push weed eater with wheels**23K/yr+292.0%0.4% conv. - **walk behind trimmer**21K/yr+286.7%0.4% conv. - **walk behind brush hog**24K/yr+188.0%0.1% conv. - **wheeled trimmer**10K/yr>1,000%0.2% conv. - **wheeled string trimmer**14K/yr+231.7%0.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/walk-behind-string-trimmer/search-terms)
## **Top walk behind string trimmer 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.
0%4%$39K8%$77K12%$116K16%$154K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BILT HARD Walk Behind String Trimmer 170cc 4-Cycle Gas Brush Hog Mower 22 Inch Cutting Diameter Push Weed Eater with 14 Inch Flat Free Wheels Brush Cutter for Farm Lawn Yard**BILT HARD**$369.93**4.1★224 rev](https://www.amazon.com/dp/B0CWGMJ1TV) [2**Earthquake Walk Behind String Mower With 160cc Viper 4-Cycle Engine 22 Cutting Diameter 14 Never-Go-Flat Wheels Easy Assembly Adjustable Handlebar 40314**EARTHQUAKE**$451.64**4.3★461 rev](https://www.amazon.com/dp/B09YZ3N3G7) [3**SENIX High Wheel Gas Walk Behind Brush Cutter and String Trimmer 22-Inch Swatch with .155-Inch Line 160 cc 4-Cycle Engine Steel Deck 14 Rubber Wheels Adjustable Height (STMG-L)**SENIX**$343.51**3.8★220 rev](https://www.amazon.com/dp/B0BZ584DH9) [4**SENIX 22 Inch Walk Behind String Trimmer 160cc 4-Cycle Engine Gas Brush Hog Mower with 14 Rubber High Wheels & 5-Height Adjustment Brush Cutter for Farm Lawn Yard**SENIX**$323.51**4.0★277 rev](https://www.amazon.com/dp/B0H1BNF52T) [5**PROYAMA 170cc Walk Behind String Trimmer Mower 4-Cycle Push Weed Wacker 22 Cutting Width Heavy Duty Weed Mower with 14 Flat Free Wheels 0.16 Line Diameter Adjustable Handle for Farm Lawn Yard**PROYAMA**$337.02**4.1★14 rev](https://www.amazon.com/dp/B0GXVVXW97)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**KEARIXM 49CC Gas Walk Behind Brush Cutter 2-Stroke Push Brush Mower with Air-Cooled System Brush Hog for Yard and Field Walk Behind Weed Eater for Grass and Weeds Gas Brush Cutter for Farm**KEARIXM**$89.83**1 rev1mo ago](https://www.amazon.com/dp/B0H2LL8KG3) [**SENIX 22 Inch Walk Behind String Trimmer 160cc 4-Cycle Engine Gas Brush Hog Mower with 14 Rubber High Wheels & 5-Height Adjustment Brush Cutter for Farm Lawn Yard**SENIX**$323.51**277 rev2mo ago](https://www.amazon.com/dp/B0H1BNF52T) [**Walk-Behind Brush Cutter 7000rpm High Speed 2-Stroke Gasoline Powered Hand-Push Lawn Mower with Handles 49 Cc 1500w 2-in-1 Lawn Mower Machine for Soil Loosening and Mowing (Red)**SongChaza**$185.35**2 rev2mo ago](https://www.amazon.com/dp/B0H1BYTV3X) [**PROYAMA 170cc Walk Behind String Trimmer Mower 4-Cycle Push Weed Wacker 22 Cutting Width Heavy Duty Weed Mower with 14 Flat Free Wheels 0.16 Line Diameter Adjustable Handle for Farm Lawn Yard**PROYAMA**$337.02**14 rev2mo ago](https://www.amazon.com/dp/B0GXVVXW97) [**BILT HARD Self-Propelled Walk-Behind String Trimmer 170cc 4-Cycle Gas Brush Cutter 22 Cutting Diameter 8-Position Height Adjustment 10 Flat-Free Wheels Brush Mower for Lawn Yard Field**BILT HARD**$434.57**224 rev3mo ago](https://www.amazon.com/dp/B0GWQLT8FG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Walk-Behind Brush Cutter 7000rpm High Speed 2-Stroke Gasoline Powered Hand-Push Lawn Mower with Handles 49 Cc 1500w 2-in-1 Lawn Mower Machine for Soil Loosening and Mowing (Red)**SongChaza**$185.35**3.0★**▲ 107%**](https://www.amazon.com/dp/B0H1BYTV3X) [**PROYAMA 170cc Walk Behind String Trimmer Mower 4-Cycle Push Weed Wacker 22 Cutting Width Heavy Duty Weed Mower with 14 Flat Free Wheels 0.16 Line Diameter Adjustable Handle for Farm Lawn Yard**PROYAMA**$337.02**4.1★**▲ 107%**](https://www.amazon.com/dp/B0GXVVXW97) [**KEARIXM 49CC Gas Walk Behind Brush Cutter 2-Stroke Push Brush Mower with Air-Cooled System Brush Hog for Yard and Field Walk Behind Weed Eater for Grass and Weeds Gas Brush Cutter for Farm**KEARIXM**$89.83**5.0★**▲ 107%**](https://www.amazon.com/dp/B0H2LL8KG3) [**SENIX 22 Inch Walk Behind String Trimmer 160cc 4-Cycle Engine Gas Brush Hog Mower with 14 Rubber High Wheels & 5-Height Adjustment Brush Cutter for Farm Lawn Yard**SENIX**$323.51**4.0★**▲ 106%**](https://www.amazon.com/dp/B0H1BNF52T) [**BILT HARD Self-Propelled Walk-Behind String Trimmer 170cc 4-Cycle Gas Brush Cutter 22 Cutting Diameter 8-Position Height Adjustment 10 Flat-Free Wheels Brush Mower for Lawn Yard Field**BILT HARD**$434.57**4.1★**▲ 106%**](https://www.amazon.com/dp/B0GWQLT8FG)
**~~View all trending →~~**
## **What buyers say about walk behind string trimmer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Cutting/Trimming**15%
*“Trims nicely”*
**Ease Of Use**14%
*“Easy to use”*
**Weight Light**10%
*“Very easy to handle Lightweight,”*
**Quality-Overall**8%
*“Decently designed product overall”*
**Value For Money**7%
*“Great value”*
**Advertised Vs Actual Product**6%
*“As Advertised”*
**Assembly/Installation**5%
*“Setup was easy”*
**Battery Life**4%
*“the battery lasts long”*
**Motor Power**2%
*“Plenty of power for my little”*
**Durability**2%
*“and Durable”*
### **What buyers complain about **
**Quality-Overall**11%
*“Bad quality”*
**Durability**8%
*“Blades broke after one use”*
**Ease Of Use**7%
*“a bit hard to control”*
**Cutting/Trimming**7%
*“Doesn't cut evenly”*
**Functionality-Overall**7%
*“Doesnt work”*
**Instructions/User Manual/Troubleshooting**5%
*“Terrible instructions”*
**Battery Life**5%
*“Damaged Battery”*
**Value For Money**4%
*“Anyway a little expensive”*
**Size-Overall**4%
*“still too long”*
**Strength**4%
*“Not sturdy”*
### **Top return reasons **
**Functionality-Overall**17%
**Cutting/Trimming**11%
**Defective Material/Parts**11%
**Advertised Vs Actual Product**10%
**Size-Overall**9%
**Strength**5%
**Quality-Overall**5%
**Battery Life**4%
**Add-Ons/Attachments**4%
**Assembly/Installation**3%
## **Common questions**
- **Is walk behind string trimmer profitable to sell on Amazon United States?**
- The niche generates $963K/yr across 28 tracked products. 6 of 13 products launched in the last 360 days are still selling. 90-day search growth is +213.0%. Flapen's verdict: Launch it (61/100).
- **How competitive is the walk behind string trimmer niche?**
- 20 brands and 42 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in walk behind string trimmer?**
- Top complaints mined from reviews: Quality-Overall, Durability, Ease Of Use. The return rate is 2.9%.
- **When does demand for walk behind string trimmer peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 8.6× the quietest.
- **What does it cost to enter the walk behind string trimmer niche?**
- Listings span $39.42–$2927.47; the average listing price is $392.89 (sweet spot $15–$100). The average incumbent carries 849 reviews — the moat a new listing must climb.
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