Is core ball beachbody 4 weeks for everybody profitable to sell on Amazon United States?

The niche generates $40K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Skip it (41/100).

How competitive is the core ball beachbody 4 weeks for everybody niche?

11 brands and 15 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in core ball beachbody 4 weeks for everybody?

Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Durability. The return rate is 2.6%.

When does demand for core ball beachbody 4 weeks for everybody peak?

Demand peaks in Jan; the busiest month runs 2.0× the quietest.

What does it cost to enter the core ball beachbody 4 weeks for everybody niche?

Listings span $5.54–$38.11; the average listing price is $13.97 (sweet spot $15–$100). The average incumbent carries 7,169 reviews — the moat a new listing must climb.

core ball beachbody 4 weeks for everybody

Skip it

A small market ($40K/yr) — this niche doesn't clear our bar today.

Conversion

Great10.6%

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

Price range

Good$5.54–$38.11

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

Avg price

Good$13.97

avg listing price — sweet spot $15–$100

Returns

Good2.6%

return rate — above 6% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay83%

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

Review moat

Bad7,169.28

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-12.3%

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

Market size

Bad$40K

$40K/yr · 27K searches

According to Flapen's Amazon United States niche tracking, core ball beachbody 4 weeks for everybody is a $40K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan. Verdict: Skip it — 41/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

core ball beachbody 4 weeks for everybody market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $35K–$42K; units × avg price
Launch success: —; 1 of 1 new (360d)
Conversion rate: 10.6%
Avg BSR: #21
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 0.0%
Avg brand age: 62 months
Avg seller age: 181 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

13%

Trideer30%
ProBody Pilates18%
KEEP14%
BODi13%
kisnbld8%
Core Balance4%
Open — no brand owns it (5 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.3% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 2.0×

Open Trend

Top core ball beachbody 4 weeks for everybody search terms

core ball20K/yr -19.4%7.8% conv.
core balls for exercise5K/yr +21.1%7.5% conv.
beachbody core ball857/yr -13.0%19.9% conv.
core ball beachbody 4 weeks for everybody689/yr -12.3%0.0% conv.

All search terms

Top core ball beachbody 4 weeks for everybody 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Trideer Exercise Ball for Yoga Pilates & Fitness Stability Ball Equipment for Home Gym & Office Chair Core & Balance Training Accessories Physical Therapy Equipment Quick Pump Included 5 Sizes

Trideer$17.564.6★44,980 rev

KEEP Pilates Ball Small- Balance Yoga Balls for Working Out Fitness Ball for Core Strength and Physical Therapy 25cm Pale Green

KEEP$7.354.4★533 rev

BODi Core Ball for Core Strengthening 8 Small Exercise Ball Lightweight Durable Inflatable Home Gym Workout Equipment for Yoga Pilates Fitness Inflation Straw and Plug Included Silver

BODi$9.234.4★377 rev

ProBody Pilates Exercise Ball - Multiple Sizes Gym Grade Balance Ball for Fitness Workout Pregnancy & Physical Therapy Stability Yoga Ball Chair (Blue 65cm)

ProBody Pilates$18.634.5★12,390 rev

Trideer 9-Inch Pilates Ball Small Exercise Ball for Yoga Core Training Physical Therapy Balance Stability and Stretching Pilates Equipment with Inflation Straw

Trideer$9.034.5★12,033 rev

Newest

by launch date

MANTRA SPORTS Exercise Ball Yoga Ball for Pilates & Fitness - Birthing for Pregnancy Stability Core Balance Therapy for Physical Rehab Workout for Home Gym & Office Chair Fast Pump Included

MANTRA SPORTS$17.392,399 rev

6mo ago

Amazon Basics 9-Inch Mini Anti-Burst Exercise Ball for Yoga Pilates Core Training Aqua

Amazon Basics$8.43471 rev

1y ago

jjshund Pilates Ball 9 8 Inch Purple Small Exercise Mini Soft Workout Yoga Ball with Exercise Guide for Home Gym Yoga Pilates Core Training Workout Balance Stability

jjshund$5.54839 rev

1y ago

kisnbld Small Exercise Ball 9 Inch Mini Pilates Ball Anti Burst and Slip Resistant Mini Yoga Ball for Stability Fitness Physical Therapy Stretching & Core Strength Workout at Home Gym & Office

kisnbld$8.172,533 rev

2y ago

BODi Core Ball for Core Strengthening 8 Small Exercise Ball Lightweight Durable Inflatable Home Gym Workout Equipment for Yoga Pilates Fitness Inflation Straw and Plug Included Silver

BODi$9.23377 rev

2y ago

What buyers say about core ball beachbody 4 weeks for everybody

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

What buyers love

Quality-Overall15%

“Decent Quality”

Inflation/Deflation11%

“Nice inflatable device”

Advertised Vs Actual Product11%

“As advertised”

Exercise/Sports Suitability9%

“Good Exercise Ball”

Value For Money9%

“Good for the price”

Size-Overall7%

“Good size”

Ease Of Use5%

“Easy to use”

Durability4%

“It has held up”

Efficiency3%

“should work for my needs”

Stretchability/Expandability/Elasticity2%

“It is comfortable for stretching”

What buyers complain about

Inflation/Deflation20%

“Keeps deflating”

Size-Overall11%

“SIZING RUNS SMALL”

Durability8%

“did not last”

Quality-Overall8%

“Bad quality”

Leak-Proof4%

“Leaks air”

Ease Of Use3%

“Not as easy as it looks”

Adhesion/Stickiness3%

“Sticky ball”

Material Quality3%

“Questionable material”

Functionality-Overall2%

“doesn't work very well”

Strength2%

“I wish it was a little more sturdy”

Top return reasons

Size-Overall60%

Inflation/Deflation10%

Value For Money5%

Advertised Vs Actual Product4%

Functionality-Overall3%

Material Quality2%

Leak-Proof2%

Color2%

Quality-Overall2%

Defective Material/Parts1%

Common questions

Is core ball beachbody 4 weeks for everybody profitable to sell on Amazon United States?: The niche generates $40K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Skip it (41/100).
How competitive is the core ball beachbody 4 weeks for everybody niche?: 11 brands and 15 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in core ball beachbody 4 weeks for everybody?: Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Durability. The return rate is 2.6%.
When does demand for core ball beachbody 4 weeks for everybody peak?: Demand peaks in Jan; the busiest month runs 2.0× the quietest.
What does it cost to enter the core ball beachbody 4 weeks for everybody niche?: Listings span $5.54–$38.11; the average listing price is $13.97 (sweet spot $15–$100). The average incumbent carries 7,169 reviews — the moat a new listing must climb.