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41

waterproof grease

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Market size 15Growth 51Conversion 95Competition 13Returns 98Price range 55Avg price 67Brand share 8Review moat 33Quality gap 15

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Incredible12.6%

search→purchase rate — share of searches ending in a sale

Avg price

Good$14.08

avg listing price — sweet spot $15–$100

Price range

Good$3.64–$29.16

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Good+21.1%

90-day search growth — must beat 0% to launch

Review moat

Okay3,167.11

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$59K

$59K/yr · 33K searches

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad97%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, waterproof grease is a $59K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Apr. Verdict: Skip it — 41/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

waterproof grease market data

Units sold / yr
4K–5K
avg 500–750/product
Revenue / yr
$56K–$70K
units × avg price
Conversion rate
12.6%
Avg BSR
#38
Page quality
0%
Prime
100%
Sponsored
44%
Out of stock
0.0%
Avg brand age
103 months
Avg seller age
153 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 flat

Sellers

128

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

0%

  • Maxima66%
  • Danco12%
  • Lucas Oil9%
  • Keze5%
  • Bel-Ray5%
  • Super Lube3%

Demand & seasonality

Weekly Amazon search volume, last 62 weeks — +21.1% search growth over the last 90 days.
800600Spike '26MayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Apr · busiest ÷ quietest = 1.8×

Top waterproof grease search terms

  • waterproof grease18K/yr
  • maxima waterproof grease7K/yr
  • maxima grease5K/yr
  • water proof grease3K/yr
All search terms

Top waterproof grease 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%15%$9K30%$18K45%$26K60%$35K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about waterproof grease

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall27%

“Excellent product”

Advertised Vs Actual Product12%

“As advertised”

Lubrication11%

“Good grease”

Efficiency9%

“Does the job”

Ease Of Use5%

“Easy to use”

Value For Money5%

“Good price”

Filtration4%

“Works great with my filters”

Durability3%

“Durable for the long term”

Size-Overall3%

“fit for use”

Leak-Proof3%

“Sealed well so no leaks in transit”

What buyers complain about

Leak-Proof12%

“Leaks”

Size-Overall10%

“Small parts”

Ease Of Cleaning10%

“anyhow most of the tube shot out that big opening so I had a mess to clean up”

Value For Money8%

“Expensive,”

Durability8%

“they didnt hold up nearly as well over time”

Functionality-Overall7%

“It did not perform as well as I hoped”

Smell7%

“No smell”

Quality-Overall6%

“This lube has very poor qualities”

Noise Level4%

“Used it on a sprinkler that was making noise due to long use”

Hard Feel3%

“It got hard inside without opening this stuff is terrible”

Top return reasons

Value For Money20%
Size-Overall17%
Defective Material/Parts14%
Leak-Proof13%
Advertised Vs Actual Product11%
Functionality-Overall10%
Compatibility-Overall2%
Maintenance And Repair2%
Adhesion/Stickiness1%
Quality-Overall1%

Common questions

Is waterproof grease profitable to sell on Amazon United States?
The niche generates $59K/yr across 9 tracked products. 90-day search growth is +21.1%. Flapen's verdict: Skip it (41/100).
How competitive is the waterproof grease niche?
6 brands and 128 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in waterproof grease?
Top complaints mined from reviews: Leak-Proof, Size-Overall, Ease Of Cleaning. The return rate is 0.5%.
When does demand for waterproof grease peak?
Demand peaks in Apr; the busiest month runs 1.8× the quietest.
What does it cost to enter the waterproof grease niche?
Listings span $3.64–$29.16; the average listing price is $14.08 (sweet spot $15–$100). The average incumbent carries 3,167 reviews — the moat a new listing must climb.