--- title: "Is King Box Spring 7 Inch Worth Selling on Amazon US?" canonical_url: "https://flapen.com/research/us/home-kitchen/king-box-spring-7-inch" last_updated: "2026-09-18T19:52:27.803Z" locale: en meta: description: "King Box Spring 7 Inch Amazon US estimated sales data: $11,400/month, +21.3% growth. Worth selling? See the verdict." "og:description": "King Box Spring 7 Inch Amazon US estimated sales data: $11,400/month, +21.3% growth. Worth selling? See the verdict." "og:title": "Is King Box Spring 7 Inch Worth Selling on Amazon US?" --- OverviewNichesProductsSearch terms Flapen Score ## King Box Spring 7 Inch against its category The dotted line is the Home & Kitchen average. Past it, King Box Spring 7 Inch 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 7 Inch market on Amazon at a glance Shoppers on Amazon United States searched for King Box Spring 7 Inch 25K times last year and spent an estimated $137K. The top 5 brands take 73% of clicks. Flapen scores it 46 out of 100, a Fail. 01 · Demand ### An estimated 6.2% of those searches ended in a purchase. Shoppers searched for this 25K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.2% of those searches ended in a purchase. Searches in the last 90 days moved +21.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $137K a year.
Searches, last 12 months
25K
Growth, 90 days vs prior 90
+21.3%
Conversion, latest week
6.2%
Market size, estimated
$137Ka year
Peak month
November1.5× the quietest month
Top search term
king box spring 7 inch17K searches a year
02 · Price ### A sale here is worth $88.76. Listings sell for $88.76 on average, from $61.80 to $141.92. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $88.76 that is $9K to $22K a year per listing.
Average price
$88.76inside the $15 to $100 sweet spot
Price range
$61.80–$141.92
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
2K–2K
Units per listing a year
100–250
Revenue per listing a year
$9K–$22K
Returns
4.4%of orders · Amazon United States median 2.1%
03 · Entry bar ### The bar here is ads and reviews. 100% of listings pay for placement with sponsored ads. 87% ship with Prime. On an average day, 0.5% of listings are out of stock. The average listing ranks #22 within Mattresses & Box Springs. It carries 3,525 reviews at 4.31 stars, so a new listing needs social proof before a better product.
Sponsored listings
100%
Prime listings
87%
Out of stock, average day
0.5%
Average rank
#22in Mattresses & Box Springs
Average rating
4.31 starsAmazon United States average 4.42 stars
Average reviews
3,525per listing
Listings tracked
15
04 · Newcomers ### 5 of last year's 6 launches cleared the first-year sales bar. 6 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 23 months on average, so a newcomer is not facing entrenched names.
Launched, last 12 months
6
Successful launches
5Amazon's first-year sales bar
Average brand age
23 months
Products ## Top King Box Spring 7 Inch 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 73% of clicks. A locked shelf that new listings rarely crack. Brands**14 **▼falling Sellers**16** Top-5 brand share**73%** Top 20: 100% Top-5 click share**73%** Top 20: 100% Open market**22%**- Brand 129% - Brand 214% - Brand 313% - Brand 410% - Brand 57% - Brand 64% Demand ## King Box Spring 7 Inch search demand Weekly searches over the year, seasonality beneath. Pick a range.3M6M1YAll800600Spike '24Black Friday '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay No pronounced peak months · busiest ÷ quietest = 1.5× Search terms ## Top King Box Spring 7 Inch search terms shoppers use The exact words shoppers type, with yearly volume, growth, and conversion.90D1Y - **king box spring 7 inch**17K/yr+37.7%6.5% conv. - **7 inch box spring king**4K/yr+1.0%8.1% conv. - **king size box spring 7 inch**3K/yr-23.3%8.1% conv. Reviews and returns ## What reviews say buyers love and hate about King Box Spring 7 Inch We read the reviews and the return reasons for every product selling here.**30%**of positive reviews mention “Assembly/Installation”**17%**of negative reviews mention “Size-Overall”**4.4%**of orders come back > **“Too big” **_A buyer, on “Size-Overall”17% 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**+2.2712%30%10% of returns“Easy to Install”**Size-Overall**−0.1617%9%39% of returns“Too big”**Quality-Overall**—10%13%2% of returns“well made”**Strength**+0.986%14%1% of returns“Solid and easy to assemble”**Durability**−0.1513%1%“constantly falling apart”**Value For Money**+0.652%8%“Worth it”**Weight Heavy**—4%2%“Too heavy for return”**Sags/Sinks**−0.034%“No good poles fall bed sink in its bad”**Height**+0.123%17% of returns“has provided the needed height for my bed”**Instructions/User Manual/Troubleshooting**−0.013%“Instructions were a little confusing”**Advertised Vs Actual Product**+0.122%8% of returns“As good as advertised”**Balance/Stability**−0.012%“I would not say its a high stability product bcoz when my husband rolls I shake too which is slightly annoying”**Ease Of Use**+0.131%“Easy to use”**Defective Material/Parts**—8% of returnsReturn reason only. No review mentions it.**Functionality-Overall**—3% of returnsReturn reason only. No review mentions it.**Mechanism Issues**—2% of returnsReturn reason only. No review mentions it.**Material Quality**—1% 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. [All Home & Kitchen niches](https://flapen.com/research/us/home-kitchen/niches) [

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