Is 100 pound dumbbell set profitable to sell on Amazon United States?

The niche generates $112K/yr across 19 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is +4.5%. Flapen's verdict: Skip it (34/100).

How competitive is the 100 pound dumbbell set niche?

11 brands and 12 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in 100 pound dumbbell set?

Top complaints mined from reviews: Smell, Weight Heavy, Quality-Overall. The return rate is 1.4%.

When does demand for 100 pound dumbbell set peak?

Demand peaks in Jul–Dec; the busiest month runs 3.3× the quietest.

What does it cost to enter the 100 pound dumbbell set niche?

Listings span $14.99–$802.41; the average listing price is $182.49 (sweet spot $15–$100). The average incumbent carries 5,249 reviews — the moat a new listing must climb.

100 pound dumbbell set

Skip it

Weak search conversion (0.6%) — this niche doesn't clear our bar today.

Returns

Great1.4%

return rate — above 6% kills the launch gate

Avg price

Okay$182.49

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+4.5%

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

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

Market size

Okay$112K

$112K/yr · 97K searches

Competition

Bad70%

top-5 click share — a locked-up shelf

Review moat

Bad5,248.84

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$14.99–$802.41

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

Conversion

Bad0.6%

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

According to Flapen's Amazon United States niche tracking, 100 pound dumbbell set is a $112K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jul–Dec. Verdict: Skip it — 34/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

100 pound dumbbell set market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $137K–$182K; units × avg price
Launch success: 71%; 5 of 7 new (360d)
Conversion rate: 0.6%
Avg BSR: #89
Page quality: 0%
Prime: 68%
Sponsored: 74%
Out of stock: 14.8%
Avg brand age: 47 months
Avg seller age: 203 days

Competition & brand share

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

CAP Barbell48%
Fitvids28%
HANDBODE5%
CAP5%
papababe3%
Signature Fitness2%
Open — no brand owns it (5 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.5% search growth over the last 90 days.

Peak months: Jul, Dec · busiest ÷ quietest = 3.3×

Open Trend

Top 100 pound dumbbell set search terms

100lb dumbbell set9K/yr +109.4%0.4% conv.
100 lb dumbbell20K/yr -16.5%0.6% conv.
100 pound dumbbells17K/yr -3.7%0.5% conv.
100 lb dumbbell set11K/yr +30.2%0.5% conv.
100lb dumbbell17K/yr -41.6%0.4% conv.
dumbbells 100 lbs7K/yr +34.8%0.1% conv.
100 lbs dumbbell set3K/yr +63.3%0.6% conv.
120 lb dumbbell4K/yr +10.8%0.0% conv.
100 lb dumbbells3K/yr +37.7%0.5% conv.
100lbs dumbbells3K/yr +3.6%0.9% conv.

All search terms

Top 100 pound dumbbell set 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Fitvids 100LB Rubber Coated Hex Dumbbell Weight Set with Storage Rack 5-20LB Free Weights with Anti-Slip Handle for Home Gym

Fitvids$133.694.3★71 rev

CAP Barbell 52.5-Pound Adjustable Dumbbell Weight (Pair) chrome finish

CAP Barbell$117.904.4★7,327 rev

CAP 100 LB Rubber Coated Hex Dumbbell Weight Rubber Free Weights for Home Gym Strength Training Black Oxide Handle Single

CAP Barbell$116.794.7★12,015 rev

CAP Barbell 200-Pound Adjustable Dumbbell Weight Set Black

CAP Barbell$212.464.4★7,327 rev

CAP 100 LB Rubber Coated Hex Dumbbell Weight Rubber Free Weights for Home Gym Strength Training Chrome Handle Single

CAP Barbell$125.404.7★12,015 rev

Newest

by launch date

CAP 100 LB Rubber Coated Hex Dumbbell Weight Rubber Free Weights for Home Gym Strength Training Chrome Handle Pair

CAP$307.7916,413 rev

2w ago

Ritaifer Rubber Hex Dumbbell 100 lbs Premium Coated Free Weights Dumbbell for Home Gym Strength Training

Ritaifer$142.772 rev

3mo ago

Fitvids 100LB Rubber Coated Hex Dumbbell Weight Set with Storage Rack 5-20LB Free Weights with Anti-Slip Handle for Home Gym

Fitvids$133.6971 rev

6mo ago

AOC PILATES Adjustable Dumbbell Sets 120LB Pairs Durable Steel Build Free Weights Dumbbells Set with Anti-slip Handle 5 LBS Increment For Full Body Home Gym Workout 120LBSx2

AOC PILATES$802.4197 rev

6mo ago

Tone Fitness 100 LB Neoprene Dumbbell Set with Storage Rack Non-Slip Anti-Roll Hand Weights for Home Gym Workouts | Beige Rack and Black Dumbbells

Tone Fitness$195.90204 rev

7mo ago

What buyers say about 100 pound dumbbell set

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

What buyers love

Quality-Overall22%

“Excellent product”

Value For Money11%

“Worth the money”

Weight Light10%

“They are very accurate in their weight”

Weight Heavy8%

“Great weight variety”

Advertised Vs Actual Product6%

“Absolutely what I needed”

Exercise/Sports Suitability4%

“perfect for my home workouts”

Size-Overall4%

“they fit comfortably in my grip”

Grip4%

“Comfortable grips”

Ease Of Use3%

“Its easy to use”

Color2%

“Loved the color”

What buyers complain about

Smell28%

“Horrible smell”

Weight Heavy7%

“Slightly bulky”

Quality-Overall6%

“Cheap hardware”

Size-Overall5%

“Rack Too Tight”

Assembly/Installation4%

“Very hard to put the rack together”

Value For Money3%

“Its not a huge deal”

Handle Quality3%

“Doesnt come with a dumbbell handles”

Instructions/User Manual/Troubleshooting2%

“No instructions and delivered to the wrong part if house”

Grip2%

“The grip area is a little small for my hands”

Functionality-Overall2%

“NOTHING WORKS”

Top return reasons

Weight Heavy27%

Value For Money12%

Defective Material/Parts10%

Size-Overall8%

Advertised Vs Actual Product7%

Weight Light5%

Smell5%