rbg 712 blade sharpener
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Incredible17.63avg incumbent reviews — the moat a new listing must climb
Growth
Incredible+114.1%90-day search growth — must beat 0% to launch
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Returns
Great2.0%return rate — above 5% kills the launch gate
Market size
Okay$222K$222K/yr · 52K searches
Avg price
Okay$236.73avg listing price — sweet spot $15–$100
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$175.91–$537.81cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, rbg 712 blade sharpener is a $222K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 47/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
rbg 712 blade sharpener market data
- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $296K–$355K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #911
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 100%
- Out of stock
- 2.3%
- Avg brand age
- 35 months
- Avg seller age
- 207 days
Competition & brand share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
9
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- Innisle62%
- JOYTRADE21%
- RBG Grinders10%
- noblequest5%
- Holdwell S3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +114.1% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 16.3×
Top rbg 712 blade sharpener search terms
- vevor blade sharpener26K/yr
- vevor lawn mower blade sharpener20K/yr
- rbg 712 blade sharpener4K/yr
- rbg 7122K/yr
Top rbg 712 blade sharpener 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2026 Upgrade Lawn Mower Blade Sharpener 1HP 750W Mower Grinder 9 Disc
Innisle$208.963.5★20 rev
2026 Upgraded Lawn Mower Blade Sharpener 2/3HP 500W
Innisle$190.333.6★26 rev
JOYTRADE Lawn Mower Blade Sharpener Upgraded 1HP 750W Lawnmower Bench Grinder
JOYTRADE$198.985.0★1 rev
RBG 7 Professional Fast Grind Lawn Mower Blade Sharpener 712
RBG Grinders$537.814.7★54 rev
Lawn Mower Blade Sharpener Upgraded 2/3HP 500W Lawnmower Bench Grinder
JOYTRADE$175.914.5★2 rev
Newest
by launch date
Holdwell S Lawn Mower Blade Sharpener 1HP 750W Bench Grinder with 9-Inch Ceramic Wheel 30/40 Angle Brackets for High/Low Lift Gator & Flat Blades with Extra Replacement Sandpapers
Holdwell S$199.6212 rev
Lawn Mower Blade Bench Grinder 1HP 750W Lawn Blade Sharpener LawnMower Blade Sharpeners with 30 40 Adjustable Brackets 9 Inch Ceramic Sandpaperfor High/Low Lift Gator Flat Blades
noblequest$192.007 rev
JOYTRADE Lawn Mower Blade Sharpener Upgraded 1HP 750W Lawnmower Bench Grinder
JOYTRADE$198.981 rev
Lawn Mower Blade Sharpener Upgraded 2/3HP 500W Lawnmower Bench Grinder
JOYTRADE$175.912 rev
2026 Upgrade Lawn Mower Blade Sharpener 1HP 750W Mower Grinder 9 Disc
Innisle$208.9620 rev
Trending
90-day click momentumLawn Mower Blade Sharpener Upgraded 2/3HP 500W Lawnmower Bench Grinder
JOYTRADE$175.914.5★
JOYTRADE Lawn Mower Blade Sharpener Upgraded 1HP 750W Lawnmower Bench Grinder
JOYTRADE$198.985.0★
Lawn Mower Blade Bench Grinder 1HP 750W Lawn Blade Sharpener LawnMower Blade Sharpeners with 30 40 Adjustable Brackets 9 Inch Ceramic Sandpaperfor High/Low Lift Gator Flat Blades
noblequest$192.003.2★
2026 Upgrade Lawn Mower Blade Sharpener 1HP 750W Mower Grinder 9 Disc
Innisle$208.963.5★
2026 Upgraded Lawn Mower Blade Sharpener 2/3HP 500W
Innisle$190.333.6★
What buyers say about rbg 712 blade sharpener
What buyers praise and complain about, mined from review topics.What buyers love
“Works as described”
“blade sharper”
“very well built”
“Decent unit”
“still cuts cleanly”
“angle guides making this a great value for the money”
“works great, the guides are easy to use and ensures the correct angle”
“Works great”
“Easy to use”
“Very easy to use connect the power”
What buyers complain about
“Bad quality control”
“overpriced”
“The adhesion between the sandpaper and the sanding disc is unstable, posing a significant safety hazard; furthermore, no replacement sandpaper was included”
“Would be great if the leads for the blade where not so far away from blade makes it impossible to keep a even blade sharpen”
“the motor has already stopped working”
“poorly made design”
“And yes missing hardware again and no manual”
“Already broke”
“Not easy to change out”
“No additional like it says it would”
Top return reasons
Common questions
- Is rbg 712 blade sharpener profitable to sell on Amazon United States?
- The niche generates $222K/yr across 8 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +114.1%. Flapen's verdict: Skip it (47/100).
- How competitive is the rbg 712 blade sharpener niche?
- 5 brands and 9 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in rbg 712 blade sharpener?
- Top complaints mined from reviews: Quality-Overall, Value For Money, Adhesion/Stickiness. The return rate is 2.0%.
- When does demand for rbg 712 blade sharpener peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 16.3× the quietest.
- What does it cost to enter the rbg 712 blade sharpener niche?
- Listings span $175.91–$537.81; the average listing price is $236.73 (sweet spot $15–$100). The average incumbent carries 18 reviews — the moat a new listing must climb.