niche zero
Skip itPrices mostly outside the sweet spot ($95.48–$394.89) — this niche doesn't clear our bar today.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Good$805K$805K/yr · 388K searches
Avg price
Okay$201.43avg listing price — sweet spot $15–$100
Growth
Okay+13.2%90-day search growth — must beat 0% to launch
Review moat
Bad5,440.27avg incumbent reviews — the moat a new listing must climb
Returns
Bad5.8%return rate — above 5% kills the launch gate
Brand share
Bad92%top-5 brand share — brand-locked demand
Competition
Bad83%top-5 click share — a locked-up shelf
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Price range
Bad$95.48–$394.89cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, niche zero is a $805K/yr Amazon United States market (388K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Aug–Sep–Oct–Dec. Verdict: Skip it — 36/100.
Data updated Aug 4, 2026 · scored weekly · How we score niches
niche zero market data
- Units sold / yr
- 5K–6K
- avg 750–1,000/product
- Revenue / yr
- $1.0M–$1.2M
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #30
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 82%
- Out of stock
- 15.4%
- Avg brand age
- 38 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 rising
Sellers
36
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
5%
- Fellow65%
- Viesimple13%
- OXO6%
- Baratza5%
- SHARDOR3%
- MiiCoffee3%
- Open — no brand owns it (2 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 52 weeks — +13.2% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Dec · busiest ÷ quietest = 6.8×
Top niche zero search terms
- fellow opus44K/yr
- fellow grinder48K/yr
- fellow ode gen 231K/yr
- niche zero35K/yr
- fellow coffee grinder28K/yr
- fellow opus 29K/yr
- single dose coffee grinder29K/yr
- fellow opus coffee grinder29K/yr
- niche coffee grinder19K/yr
- varia vs318K/yr
Top niche zero 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fellow Ode Gen 2 64mm Flat Burr Coffee Grinder Single Dose Electric
Fellow$362.384.1★828 rev
Viesimple Gen 4 Electric Burr Coffee Grinder Single Dose Espresso Black
Viesimple$156.434.6★291 rev
Fellow Opus Conical Burr Coffee Grinder 41 Settings Anti-Static Black
Fellow$180.563.8★1,807 rev
Baratza Encore ESP Coffee Grinder ZCG495BLK Black
Baratza$188.514.2★1,331 rev
Fellow Ode Gen 2 64mm Flat Burr Coffee Grinder Single Dose Electric
Fellow$361.554.1★828 rev
Newest
by launch date
AMZCHEF 75-Setting Single Dose Coffee Grinder 40mm Burr <0.2g Retention
AMZCHEF$97.6288 rev
SHARDOR All-Metal Single-Dose Coffee Grinder Quiet DC Motor Home-use Espresso Grinder Burr Coffee Grinder with 80 Settings and an LED Power DisplayBlack
SHARDOR$95.4870 rev
Viesimple Gen 4 Electric Burr Coffee Grinder Single Dose Espresso Black
Viesimple$156.43291 rev
OXO Brew Conical Burr Electric Coffee Bean Grinder - 12 Oz Matte Black
OXO$100.2423,678 rev
Baratza Encore ESP Coffee Grinder ZCG495BLK Black
Baratza$188.511,331 rev
Trending
90-day click momentumAMZCHEF 75-Setting Single Dose Coffee Grinder 40mm Burr <0.2g Retention
AMZCHEF$97.624.1★
Fellow Ode Gen 2 64mm Flat Burr Coffee Grinder Single Dose Electric
Fellow$361.554.1★
Fellow Ode Gen 2 64mm Flat Burr Coffee Grinder Single Dose Electric
Fellow$362.384.1★
OXO Brew Conical Burr Electric Coffee Bean Grinder - 12 Oz Matte Black
OXO$100.244.3★
SHARDOR All-Metal Single-Dose Coffee Grinder Quiet DC Motor Home-use Espresso Grinder Burr Coffee Grinder with 80 Settings and an LED Power DisplayBlack
SHARDOR$95.484.2★
What buyers say about niche zero
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent premium quality product”
“Easy to use”
“Cleans up easily”
“Good value”
“Good design”
“It seems durable”
“Compact footprint”
“Works great”
“Works as advertised”
“construction seems sturdy”
What buyers complain about
“Durability Is Awful”
“Constantly jams up”
“made a mess”
“It is apparent build quality has gone downhill”
“Not working”
“It wasnt cheap either”
“Small”
“Difficult to pour”
“design flaw is an issue”
“Arrived used”
Top return reasons
Common questions
- Is niche zero profitable to sell on Amazon United States?
- The niche generates $805K/yr across 11 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +13.2%. Flapen's verdict: Skip it (36/100).
- How competitive is the niche zero niche?
- 8 brands and 36 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in niche zero?
- Top complaints mined from reviews: Durability, Jamming/Clogging, Ease Of Cleaning. The return rate is 5.8% — above our launch gate.
- When does demand for niche zero peak?
- Demand peaks in Aug–Sep–Oct–Dec; the busiest month runs 6.8× the quietest.
- What does it cost to enter the niche zero niche?
- Listings span $95.48–$394.89; the average listing price is $201.43 (sweet spot $15–$100). The average incumbent carries 5,440 reviews — the moat a new listing must climb.