---
title: "Is King Box Spring Worth Selling on Amazon US? — $346K/mo"
canonical_url: "https://flapen.com/research/us/home-kitchen/king-box-spring"
last_updated: "2026-09-18T19:38:49.647Z"
locale: en
meta:
  description: "King Box Spring Amazon US estimated sales data: $346,000/month, -4.4% growth, $95.07 avg price. Worth selling? See the verdict."
  "og:description": "King Box Spring Amazon US estimated sales data: $346,000/month, -4.4% growth, $95.07 avg price. Worth selling? See the verdict."
  "og:title": "Is King Box Spring Worth Selling on Amazon US? — $346K/mo"
---

OverviewNichesProductsSearch terms

Flapen Score ## King Box Spring against its category The dotted line is the Home & Kitchen average. Past it, King Box Spring is stronger. Inside it, weaker.Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality GapThis niche Category average [**See the method **](https://flapen.com/science) Market ## The King Box Spring market on Amazon at a glance Shoppers on Amazon United States searched for King Box Spring 1.7M times last year and spent an estimated $4.2M. The top 5 brands take 63% of clicks. Flapen scores it 57 out of 100, a Maybe. 01 · Demand ### An estimated 2.6% of those searches ended in a purchase. Shoppers searched for this 1.7M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.6% of those searches ended in a purchase. Searches in the last 90 days moved -4.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.2M a year.<dl><dt>Searches, last 12 months</dt><dd>1.7M</dd><dt>Growth, 90 days vs prior 90</dt><dd>-4.4%</dd><dt>Conversion, latest week</dt><dd>2.6%</dd><dt>Market size, estimated</dt><dd>$4.2Ma year</dd><dt>Peak month</dt><dd>March1.2× the quietest month</dd><dt>Top search term</dt><dd>king box spring505K searches a year</dd></dl>02 · Price ### A sale here is worth $95.07. Listings sell for $95.07 on average, from $53.28 to $241.85. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 1,250 to 1,500 of them. At $95.07 that is $119K to $143K a year per listing.<dl><dt>Average price</dt><dd>$95.07inside the $15 to $100 sweet spot</dd><dt>Price range</dt><dd>$53.28–$241.85</dd><dt>Amazon United States median price</dt><dd>$24.38across 115,062 niches</dd><dt>Units sold a year</dt><dd>40K–50K</dd><dt>Units per listing a year</dt><dd>1,250–1,500</dd><dt>Revenue per listing a year</dt><dd>$119K–$143K</dd><dt>Returns</dt><dd>3.5%of orders · Amazon United States median 2.1%</dd></dl>03 · Entry bar ### The bar here is ads and reviews. 96% of listings pay for placement with sponsored ads. 87% ship with Prime. On an average day, 0.4% of listings are out of stock. The average listing ranks #28 within Mattresses & Box Springs. It carries 6,258 reviews at 4.33 stars, so a new listing needs social proof before a better product.<dl><dt>Sponsored listings</dt><dd>96%</dd><dt>Prime listings</dt><dd>87%</dd><dt>Out of stock, average day</dt><dd>0.4%</dd><dt>Average rank</dt><dd>#28in Mattresses & Box Springs</dd><dt>Average rating</dt><dd>4.33 starsAmazon United States average 4.42 stars</dd><dt>Average reviews</dt><dd>6,258per listing</dd><dt>Listings tracked</dt><dd>46</dd></dl>04 · Newcomers ### 18 of last year's 20 launches cleared the first-year sales bar. 20 products launched here in the last 12 months. 18 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 28 months on average, so a newcomer is not facing entrenched names.<dl><dt>Launched, last 12 months</dt><dd>20</dd><dt>Successful launches</dt><dd>18Amazon's first-year sales bar</dd><dt>Average brand age</dt><dd>28 months</dd></dl>Products ## Top King Box Spring products & what they sell for Every tracked product: its share of the shelf, its reviews, and its price.**Sign in to see the products** The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone. [Sign in](https://flapen.com/auth/login) Competition ## Competition: brands, sellers & click share The top 5 products take only 38% of clicks. An open shelf where new products get seen. Brands**26 **▲rising Sellers**30** Top-5 brand share**63%** Top 20: 96% Top-5 click share**38%** Top 20: 79% Open market**33%**- Brand 121% - Brand 218% - Brand 314% - Brand 45% - Brand 54% - Brand 64% Demand ## King Box Spring search demand Weekly searches over the year, seasonality beneath. Pick a range.3M6M1YAll45K35KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay No pronounced peak months · busiest ÷ quietest = 1.2× Search terms ## Top King Box Spring search terms shoppers use The exact words shoppers type, with yearly volume, growth, and conversion.90D1Y - **king box spring**505K/yr+0.3%2.8% conv. - **king size box spring**370K/yr-8.3%2.5% conv. - **box spring king**351K/yr-6.6%2.2% conv. - **king size box spring only**149K/yr-24.2%2.3% conv. - **box spring king size**38K/yr+15.2%2.4% conv. - **king bed box spring**39K/yr+4.5%2.7% conv. - **box spring for king bed**30K/yr-0.1%2.3% conv. - **king boxspring**27K/yr+18.5%2.5% conv. - **box springs king**16K/yr+11.7%2.1% conv. - **king box springs**18K/yr+9.9%2.5% conv. Reviews and returns ## What reviews say buyers love and hate about King Box Spring We read the reviews and the return reasons for every product selling here.**18%**of positive reviews mention “Comfort-Overall”**10%**of negative reviews mention “Thickness”**3.5%**of orders come back > **“Its thick” **_A buyer, on “Thickness”10% of negative reviews mention the same topic_ Every topic ### Every topic buyers talk about, one row each. Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote. 17 topics**Negative****Positive****Assembly/Installation**+0.898%16%7% of returns“Easy assemble”**Comfort-Overall**+1.733%18%4% of returns“Comfortable Comfortable Comfortable”**Size-Overall**−0.069%6%32% of returns“Doesn't fit”**Quality-Overall**−0.027%8%2% of returns“Great mattress cover and awesome quality and price”**Value For Money**+0.085%7%“Definitely worth the price”**Thickness**−0.0810%5% of returns“Its thick”**Strength**+0.427%“Easy assembly & very sturdy”**Durability**−0.067%“broke within a month”**Advertised Vs Actual Product**−0.024%2%9% of returns“False advertisement”**Soft Feel**—6%“softer than I expected”**Fluffiness**−0.055%“Not as fluffy”**Sleep Quality**+0.504%“helps improve sleep quality”**Foam**+0.353%“Excellent mattress pad it was so nice”**Cushion**−0.023%2% of returns“Does not provide that much padding”**Height**—13% of returnsReturn reason only. No review mentions it.**Defective Material/Parts**—6% of returnsReturn reason only. No review mentions it.**Thin**—2% of returnsReturn reason only. No review mentions it.Expand all rows Keep looking ## Related niches Niches in the same category that score near this one. Research these next. 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[**All tracked niches**](https://flapen.com/research/niches) [<h4>**Squirrel Repellent**</h4>**$2.3M**/yr**+140.5%**](https://flapen.com/research/us/patio-lawn-garden/squirrel-repellent) [<h4>**Tomato Cage**</h4>**$4.4M**/yr**+261.3%**](https://flapen.com/research/us/patio-lawn-garden/tomato-cage) [<h4>**Mole Repellent for Lawns**</h4>**$3.6M**/yr**+155.2%**](https://flapen.com/research/us/patio-lawn-garden/mole-repellent-for-lawns) [<h4>**America 250 Flag**</h4>**$2.3M**/yr**+389.5%**](https://flapen.com/research/us/patio-lawn-garden/america-250-flag) [<h4>**Jet Nozzle High Pressure Hose Nozzle**</h4>**$1.5M**/yr**+628.3%**](https://flapen.com/research/us/patio-lawn-garden/jet-nozzle-high-pressure-hose-nozzle) FAQ ## Common King Box Spring questions Answered from the same tracked data.Is King Box Spring profitable to sell on Amazon United States? Flapen scores King Box Spring 57 out of 100 on Amazon United States, a Maybe. Shoppers spend $4.2M a year across 46 tracked products. 18 of the 20 products launched in the last year cleared the first-year sales bar. Search demand grew -4.4% in the last 90 days.How competitive is the King Box Spring niche on Amazon United States? 26 brands and 30 sellers compete in King Box Spring on Amazon United States. The top 5 King Box Spring products take 38% of clicks, and the top 5 brands take 63%.What do buyers complain about in King Box Spring? King Box Spring buyers on Amazon United States complain most about Thickness, Size-Overall, and Assembly/Installation. An estimated 3.5% of orders come back.When does demand for King Box Spring peak? Search demand for King Box Spring on Amazon United States is steady all year. The busiest month runs 1.2× the quietest.What does it cost to enter the King Box Spring niche? King Box Spring sells for $95.07 on average on Amazon United States, inside the $15 to $100 sweet spot. Listings run $53.28 to $241.85. The average product has 6,258 reviews, the count a new listing must catch up to.