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deck of death fitness cards

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 9Growth 13Conversion 40Competition 11Returns 99Price range 88Avg price 95Brand share 0Review moat 98Quality gap 65

Returns

Incredible0.2%

return rate — above 6% kills the launch gate

Review moat

Incredible35.75

avg incumbent reviews — the moat a new listing must climb

Avg price

Incredible$24.51

avg listing price — sweet spot $15–$100

Price range

Great$11.57–$49.73

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.2%

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

Growth

Bad-23.6%

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

Competition

Bad86%

top-5 click share — a locked-up shelf

Market size

Bad$37K

$37K/yr · 47K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

5

Top-5 brand share

100%

Open market

0%

  • Generic84%
  • The Deck of Death10%
  • Quokka6%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$6K30%$11K45%$17K60%$22K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 8 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 28 weeks — -23.6% search growth over the last 90 days.
2K2KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26

Reviews

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

What buyers love

Quality-Overall16%

“The quality of the cards are really nice”

Ease Of Use15%

“Simple and effective”

Fun/Entertainment Experience13%

“Makes it super fun”

Advertised Vs Actual Product11%

“As described”

Weight Light7%

“Its lightweight and useful”

Value For Money6%

“It has a great value for its money too”

Suitability Beginner6%

“I love that the workouts require no equipment”

Strength5%

“Sturdy”

Durability5%

“feel durable”

Gifting Purpose3%

“Great gift idea”

What buyers complain about

Value For Money44%

“Overall, these are a terrible value”

Quality-Overall14%

“Overall, these are a terrible value”

Material Quality10%

“The material doesnt feel as premium as it should for what theyre charging”

Fun/Entertainment Experience10%

“Great and Terrible Fun”

Shape/Style4%

“The square edges will bend”

Strength4%

“The square edges will bend”

Durability4%

“wear out quickly too”

Top return reasons

Advertised Vs Actual Product64%
Value For Money9%
Defective Material/Parts9%
Quality-Overall9%
Ease Of Use9%