The Math

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Every number on The Reality File is traced to a source. This page shows every assumption, every calculation, and every citation. If we got something wrong, tell us.

The $200 to $5 Claim

How a $200 sale becomes $5 profit.

This is the hero number on The Reality File. Here is every line, with the assumption behind it.

Mass Retail / $200 Home Product
What you expect
Sale Price $200.00
Product Cost (COGS) -$60.00
Retailer Margin (50%) -$100.00
What they don't mention
Promo Reserve -$9.80
Co-op Advertising -$7.50
Slotting Fees -$5.80
Chargebacks -$4.20
EDI / Compliance -$3.90
Freight Allowance -$3.80

Your Profit $5.00

The assumptions behind each line.

Product Cost: $60 (30% of retail)

For a manufactured home product (electronics, outdoor gear, home essentials), 25-35% of retail price as COGS is standard. This covers raw materials, manufacturing, and basic packaging. It does NOT include freight, duties, or landed cost additions, which typically add another 20-30%.

Industry range: 25-40% of retail

Retailer Margin: 50% ($100)

This is the single biggest variable and the one most likely to be challenged. 50% is standard for mass retail and department stores (Walmart general merchandise, Target home, Bed Bath). It is NOT standard for all retailers. Costco takes ~14%. Home Depot takes 33-35% on hardlines. Best Buy varies by category. The $200 to $5 scenario specifically models mass retail at 50%. Different channels produce very different outcomes.

Range by channel: Costco 14% / Home Depot 33-35% / Mass Retail 40-60% / Amazon ~30% (fees)

Promo Reserve: $9.80 (4.9% of retail)

Retailers require brands to fund promotional activity. This is money set aside for markdowns, circular features, seasonal promotions, and end-cap displays. It's typically deducted from invoices, not paid separately. New brands with less leverage fund more. Established brands negotiate this down.

Industry range: 3-8% of wholesale revenue

Co-op Advertising: $7.50 (3.75% of retail)

Cooperative advertising fees fund the retailer's marketing that features your product. Flyers, digital ads, in-store signage. Some retailers call this Marketing Development Funds (MDF). Home Depot is particularly aggressive with MDF requirements for endcaps and displays.

Industry range: 2-6% of wholesale revenue

Slotting Fees: $5.80 (2.9% of retail)

The cost of getting shelf space. Some retailers charge per-SKU slotting fees upfront. Others fold it into ongoing deductions. Costco does NOT charge slotting fees. Mass retail and grocery channels commonly do. The amount varies wildly by retailer, category, and how badly they want your product.

Industry range: $0 (Costco) to $25,000+ per SKU (grocery)

Chargebacks: $4.20 (2.1% of retail)

Automatic deductions for operational errors. Late shipments ($100-500 per incident), wrong packaging ($250-2,500), fill rate misses (3-5% of entire order value), labeling errors, ASN errors. These are in the vendor agreement. They are deducted automatically. A well-run operation minimizes these. A new brand learns about them the hard way.

Industry range: 1-5% of wholesale (new brands higher)

EDI / Compliance: $3.90 (1.95% of retail)

Electronic Data Interchange setup and ongoing compliance. Every major retailer requires EDI for purchase orders, invoices, ASNs, and payment. Setup costs $3,000-10,000. Ongoing costs include third-party EDI providers, GS1 barcode registration, ISTA pack testing, and product liability insurance. We amortized setup costs across expected volume to get a per-unit figure.

Setup: $7,000-33,000 per retailer. Ongoing: varies by volume.

Freight Allowance: $3.80 (1.9% of retail)

The retailer's deduction for inbound freight to their distribution centers. Some retailers require the brand to ship FOB origin (brand pays freight). Others deduct a freight allowance from invoices. For big-and-bulky home products, this number can be significantly higher.

Industry range: 1-4% of wholesale. Higher for oversized items.

What's NOT in this number

The $5 figure does not include returns (8% average for home goods), chargeback penalties beyond the baseline, damaged goods, warranty claims, or the cost of capital tied up in inventory for 60-120 days waiting for retailer payment. The actual profit on a bad quarter can go negative.

Same Product, Four Outcomes

The channel changes everything.

Same $200 outdoor product. Same $60 COGS. Four retailers. The retailer's margin structure is the single biggest variable in whether you make money.

Costco
$100
50% net margin
Retailer take: ~$28 (14%) Promo/compliance: ~$12 No slotting fees Volume leverage
Home Depot
$45
22.5% net margin
Retailer take: ~$70 (35%) MDF/promos: ~$25 Endcap fees apply Seasonal decor: 40-50%
Mass Retail
$5
2.5% net margin
Retailer take: ~$100 (50%) Trade spend: ~$35 Full deduction stack 59-70% of promos lose money
Amazon
$55
27.5% net margin
Referral fee: 15% FBA fees: ~15% Advertising: 8-15% Big+bulky: 35-40% total

What changes the number most.

If retailer margin drops to 40%

Brand wholesale becomes $120 instead of $100. Gross margin before deductions: $60 instead of $40. Even with the same $35 in trade spend, profit jumps to $25.

$5 becomes $25. The retailer margin is the biggest lever.

If you negotiate away slotting

Some retailers don't charge slotting (Costco). Others waive it for strong brands. Removing $5.80 from the stack doesn't transform the math, but every line matters at 2.5% margin.

$5 becomes $10.80. Helpful, not transformative.

If COGS drops to 25%

Better sourcing, manufacturing efficiency, or volume pricing drops product cost from $60 to $50. At 50% retailer margin, your gross becomes $50 instead of $40.

$5 becomes $15. Sourcing improvements compound.

If returns hit 8%

Home goods average 8% return rate (not the 2-3% from CPG). On a $200 product, 8% means $16 per unit in return processing, restocking, and lost inventory. Applied to the $5 profit...

$5 goes negative. Returns alone can erase the margin.

Source Index

Every citation on The Reality File.

Organized by what data each source provides. If a source is paywalled or unavailable, we note it.

Source Data Provided Used In
CB Insights 97% hardware startup failure rate. Pricing as primary cause of failure in hardware companies. Failure Rates
Hardware Club 58% of hardware failures attributed to incorrect pricing. Manufacturing difficulty underestimation (10x). Failure Rates
Better Retailing / 9,000-SKU Study 40% of new products still on shelf after 3 years. 60% delisted. Velocity testing window of 8-12 weeks. Failure Rates, Five Things
NRF 2025 Return rates by category. Retail acceptance benchmarks. Seasonal inventory dynamics. Failure Rates, Hidden Costs, Big & Bulky
Untaylored 2026 Costco margin structure: ~14% cap. No slotting fees. Volume leverage dynamics. Promo funding requirements. Margins (Costco)
MMCG Invest Feb 2026 Home Depot gross margin: 33-34%. Hardlines 30-40%, seasonal/decor 40-50%. Margins (Home Depot)
Fortune Aug 2025 Home Depot marketing development fund (MDF) requirements for endcaps and displays. Margins (Home Depot)
InvoiceFly Wholesale margin norms for mass retail: 40-60% markup. Trade spend structures. Hidden deduction categories. Margins (Mass Retail), Cost Scan, Hidden Costs
Corrao Group Trade spend benchmarks. 59-70% of trade promotions fail to turn a profit. Chargeback and deduction structures. Margins (Mass Retail), Cost Scan, Five Things
AMZ Prep 2026 Amazon referral fees (15%), FBA fee structures, big-and-bulky surcharges (35-40%+ total). Margins (Amazon)
Jungle Scout Amazon advertising costs (8-15% to remain visible). Seller economics benchmarks. Margins (Amazon), Hidden Costs
Reperch 2026 Freight delivery: $350-800 (small/medium), $800-1,400 (large). White glove: $1,200-2,000 (basic), $2,000-3,000+ (premium). Big & Bulky
Go Logistics Canadian white glove delivery: $100-250 CAD (basic), $300-600 CAD (full service with assembly). Big & Bulky
SimplicityDX 2024 DTC return economics. Cost of returns as percentage of revenue. Hidden Costs (DTC waterfall)
Narvar 2025 Return rate benchmarks by channel. DTC vs. retail return behavior. Hidden Costs (DTC waterfall)
CFO Pro Analytics Founders underestimate true COGS by 20-30% once freight, duties, and compliance are included. Five Things (Landed Cost)
Kellogg / Northwestern 43% of seasonal inventory sells at full price. 38% average first markdown. Subsequent cuts have diminishing returns. Seasonal Risk

A note on sourcing

Some of these numbers come from proprietary industry data that is not freely available online. Where possible, we cite the original publisher and year. We also draw on direct experience operating $1B+ in retail programs across Costco, Home Depot, Best Buy, Amazon, and Walmart. Where our experience informs a number, we say so. Where a third-party source provides it, we cite it.

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