---
title: "Black and Decker Weed Eater Spool — $558K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/black-and-decker-weed-eater-spool"
last_updated: "2026-08-09T11:02:20.185Z"
locale: en
meta:
description: "Niche score 59/100 · $558K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $558K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Black and Decker Weed Eater Spool — $558K/yr Amazon US Niche (2026) - Flapen"
---
# **black and decker weed eater spool**
**Worth a look**
Shows demand growing +357.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 62Growth 100Conversion 100Competition 17Returns 96Price range 10Avg price 54Brand share 33Review moat 47Quality gap 40
**Growth**
**Incredible****+357.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****19.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$558K**
$558K/yr · 231K searches
**Avg price**
**Good****$12.48**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****1,792.45**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$7.57–$15.78**
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)")
According to Flapen's Amazon United States niche tracking, black and decker weed eater spool is a $558K/yr Amazon United States market (231K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 59/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black and decker weed eater spool market data**
- **Units sold / yr**
- **40K–50K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$499K–$624K**
- units × avg price
- **Conversion rate**
- **19.4%**
- **Avg BSR**
- **#137**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**9%**
- Lucky Seven25% - Chway20% - Bessport18% - Hechuang13% - RISELION9% - SLTG20205% - Open — no brand owns it (3 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +357.4% search growth over the last 90 days.
30K20KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 25.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/black-and-decker-weed-eater-spool/trend)
## **Top black and decker weed eater spool search terms**
- **black and decker weed eater string**99K/yr+678.1%2.1% conv. - **black and decker weed eater spool**32K/yr+158.5%2.9% conv. - **black and decker trimmer line**11K/yr+260.6%2.8% conv. - **black and decker string trimmer refill**9K/yr+300.2%3.1% conv. - **black and decker weed wacker string**9K/yr+367.7%2.8% conv. - **065 weed trimmer line black and decker**6K/yr+406.2%3.7% conv. - **black & decker weed eater string**8K/yr+467.9%1.5% conv. - **af-100 spool black and decker**4K/yr+332.7%4.3% conv. - **af100 replacement spool for black and decker**6K/yr+317.7%7.4% conv. - **afs automatic feed spool .065 black and decker**6K/yr+293.8%2.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/black-and-decker-weed-eater-spool/search-terms)
## **Top black and decker weed eater spool 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%10%$56K20%$112K30%$167K40%$223K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**AF100 Replacement Spool for Black and Decker AF-100-3ZP AF-100-BKP 30-Foot 0.065-Inch (AF-1003ZP) fits GH900 GH600 GH610 String Trimmer 30ft 0.065 Trimmer Line Replacement Spool Refills (12 + 2 )**Lucky Seven**$14.93**4.6★6,348 rev](https://www.amazon.com/dp/B087CMVJS2) [2**Replacement Spool for Black+Decker 12 Pack Trimmer String 0.065 AF-100 Autofeed Replacement Spools(12 Spool+4 Caps)**Bessport**$15.78**4.6★532 rev](https://www.amazon.com/dp/B0D5B345BY) [3**Chway 7 Pcs AF-100 Weed Eater Strings Compatible with Black and Decker Weed Eater 0.065 AFS Automatic Feed Replacement Spool 6 Pcs Spools(180ft Total) 1 Pcs RC-100-P Trimmer Cap and Spring**Chway**$9.65**4.6★1,026 rev](https://www.amazon.com/dp/B0CRF7474T) [4**Hechuang AF-100 Weed Eater Spool 6+2 Pack 30ft 0.065 Line String Trimmer Replacement Spool for Black+Decker AF+100 String Trimmers (6 Replacement Spool 2 Trimmer Cap 2 Pack Spring)**Hechuang**$9.68**4.6★3,825 rev](https://www.amazon.com/dp/B07FKJKGMP) [5**RISELION Weed Eater String for Black and Decker Weed Eater: Durable AFS Automatic Feed Spool .065 Black and Decker String Trimmer 30ft 0.065 inch AF-100 String Line (8 Replacement Spool)**RISELION**$10.25**4.5★708 rev](https://www.amazon.com/dp/B09L6391HG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**VIABRICO 16 Pack AF-100 Replacement Spool Line for Black+Decker - 0.065 Weed Eater String Trimmer Line Spool 30ft Autofeed Weed Wacker Spool Refill for Black+Decker(12 Spool 4 Cap 4 Spring)**VIABRICO**$11.50**468 rev10mo ago](https://www.amazon.com/dp/B0FDFDZW1J) [**SLTG2020 Black & Decker AF-100 Weed Eater Spool 0.065 Auto Feed String Trimmer Replacement Parts Pre-Wound Weed Eater String Refill for Lawn Care**SLTG2020**$7.57**83 rev1y ago](https://www.amazon.com/dp/B0DJK6D53S) [**Replacement Spool for Black+Decker 12 Pack Trimmer String 0.065 AF-100 Autofeed Replacement Spools(12 Spool+4 Caps)**Bessport**$15.78**532 rev2y ago](https://www.amazon.com/dp/B0D5B345BY) [**Chway 7 Pcs AF-100 Weed Eater Strings Compatible with Black and Decker Weed Eater 0.065 AFS Automatic Feed Replacement Spool 6 Pcs Spools(180ft Total) 1 Pcs RC-100-P Trimmer Cap and Spring**Chway**$9.65**1,026 rev2y ago](https://www.amazon.com/dp/B0CRF7474T) [**Chway 14 Pcs AF-100 Weed Eater Strings Compatible with Black and Decker Weed Eater 0.065 AFS Automatic Feed Replacement Spool 12 Pcs Spools(360ft Total) 2 Pcs RC-100-P Caps and 2 Springs**Chway**$15.04**702 rev2y ago](https://www.amazon.com/dp/B0CRF86RMS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**VIABRICO 16 Pack AF-100 Replacement Spool Line for Black+Decker - 0.065 Weed Eater String Trimmer Line Spool 30ft Autofeed Weed Wacker Spool Refill for Black+Decker(12 Spool 4 Cap 4 Spring)**VIABRICO**$11.50**4.3★**▲ 146%**](https://www.amazon.com/dp/B0FDFDZW1J) [**SLTG2020 Black & Decker AF-100 Weed Eater Spool 0.065 Auto Feed String Trimmer Replacement Parts Pre-Wound Weed Eater String Refill for Lawn Care**SLTG2020**$7.57**4.4★**▲ 53%**](https://www.amazon.com/dp/B0DJK6D53S) [**AF100 Replacement Spool for Black and Decker AF-100-3ZP AF-100-BKP 30-Foot 0.065-Inch (AF-1003ZP) fits GH900 GH600 GH610 String Trimmer 30ft 0.065 Trimmer Line Replacement Spool Refills (12 + 2 )**Lucky Seven**$14.93**4.6★**▲ 32%**](https://www.amazon.com/dp/B087CMVJS2) [**Chway 7 Pcs AF-100 Weed Eater Strings Compatible with Black and Decker Weed Eater 0.065 AFS Automatic Feed Replacement Spool 6 Pcs Spools(180ft Total) 1 Pcs RC-100-P Trimmer Cap and Spring**Chway**$9.65**4.6★**▲ 25%**](https://www.amazon.com/dp/B0CRF7474T) [**Hechuang AF-100 Weed Eater Spool 6+2 Pack 30ft 0.065 Line String Trimmer Replacement Spool for Black+Decker AF+100 String Trimmers (6 Replacement Spool 2 Trimmer Cap 2 Pack Spring)**Hechuang**$9.68**4.6★**▲ 24%**](https://www.amazon.com/dp/B07FKJKGMP)
**~~View all trending →~~**
## **What buyers say about black and decker weed eater spool**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**34%
*“worth every penny”*
**Size-Overall**19%
*“Exact fit”*
**Quality-Overall**11%
*“No complaints”*
**Advertised Vs Actual Product**8%
*“Just what I needed”*
**Ease Of Use**7%
*“Easy to use”*
**Durability**4%
*“are very durable”*
**Cutting/Trimming**3%
*“Cuts very well”*
**Assembly/Installation**3%
*“Easy to install”*
**Color**1%
*“Its black and decker”*
**Strength**1%
*“super strong”*
### **What buyers complain about **
**Quality-Overall**24%
*“I believe this company needs some better-quality control to get it right”*
**Size-Overall**22%
*“To small of center”*
**Durability**16%
*“constantly breaks in use”*
**Functionality-Overall**5%
*“will not move”*
**Jamming/Clogging**4%
*“It jammed up immediately so I had to return it”*
**Value For Money**4%
*“What a deal on price”*
**Natural Resource Wastage**3%
*“Waste of time and money”*
**Add-Ons/Attachments**2%
*“cannot get the feed to extension the line”*
**Mechanism Issues**2%
*“it never moves forward on its own”*
**Ease Of Use**2%
*“you will not be able to use it”*
### **Top return reasons **
**Size-Overall**73%
**Advertised Vs Actual Product**7%
**Functionality-Overall**5%
**Defective Material/Parts**4%
**Mechanism Issues**2%
**Product Condition**2%
**Add-Ons/Attachments**1%
**Quality-Overall**1%
**Cutting/Trimming**1%
**Value For Money**1%
## **Common questions**
- **Is black and decker weed eater spool profitable to sell on Amazon United States?**
- The niche generates $558K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +357.4%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the black and decker weed eater spool niche?**
- 9 brands and 10 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in black and decker weed eater spool?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Durability. The return rate is 0.8%.
- **When does demand for black and decker weed eater spool peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 25.8× the quietest.
- **What does it cost to enter the black and decker weed eater spool niche?**
- Listings span $7.57–$15.78; the average listing price is $12.48 (sweet spot $15–$100). The average incumbent carries 1,792 reviews — the moat a new listing must climb.
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