#cost-of-goods-sold
Cost of Goods Sold
Learn how to calculate and track cost of goods sold for inventory valuation
Indoor Skydiving Wind Tunnel Facility Bookkeeping: A Financial Guide
A recirculating wind tunnel costs $7-10 million to build, and running one full-speed at 230 km/h can draw over 570 kW, making electricity, not rent or payroll, the largest line item on most indoor skydiving facilities' income statements.
Meal Prep Delivery Bookkeeping: Why Your COGS Might Secretly Be Over 100% of Revenue
Meal prep and meal-kit subscriptions must defer prepaid revenue until meals are delivered and roll packaging, delivery, labor, and spoilage into COGS — early-stage operators who skip this often find total COGS above 55%, sometimes exceeding 100% of revenue on specific SKUs.
Mobile Car Detailing Bookkeeping: Chemical COGS, Mileage, and Equipment Depreciation
A $150 mobile detail costs $15-$20 in chemicals plus fuel, equipment wear, and unbilled quote time; tracking cost-per-job, the 72.5-cent 2026 IRS mileage rate, Section 179 equipment write-offs, and profit-per-drive-hour reveals whether a detailing business is actually as profitable as its revenue suggests.
Shoe Repair & Cobbler Shop Bookkeeping: Job Costing, Materials, and Tax Guide
U.S. shoe repair revenue is roughly $315.6 million and shrinking about 2% a year since 2020, yet job costing, split inventory tracking, and correct sales-tax treatment of repair labor are what let surviving cobbler shops price resoles profitably and diversify into leather goods and wholesale work.
Independent Bookstore Bookkeeping: How to Protect a 2-10% Net Margin
Independent bookstores net just 2-10% per the ABA's ABACUS survey, even with 40-50% gross margins. A practical bookkeeping guide to the transaction types that erode that margin — sale-or-return vendor credits, expiring co-op advertising funds, consignment and trade-credit liabilities — plus the 4-6x inventory turnover benchmark that predicts trouble early.
Right to Repair 2026: How Parts-Pairing Bans Open a Door for Independent Repair Shops
As of January 1, 2026, Colorado, Washington, and Oregon ban software-based parts pairing on electronics and appliances, forcing manufacturers to open OEM parts and diagnostic access to independent repair shops — here's what the new rules mean for compliance and inventory bookkeeping.
Bookkeeping for VR Arcades: Deferred Deposits, Per-Station Depreciation, and Revenue by Stream
How VR arcades and location-based entertainment venues should keep their books — split revenue across six streams, book party deposits as deferred-revenue liabilities, depreciate each $50,000+ station separately, and track revenue per available station hour, the LBE equivalent of a hotel's RevPAR.
Comic Book and Trading Card Shop Bookkeeping: Why Your Inventory Isn't Really Your Inventory
How comic and TCG shops should book consignment splits, buylist store credit, and graded-card cost basis — consigned goods stay off the balance sheet, store credit is a liability until redeemed, and high-value singles need specific identification, not average costing. Plus where the IRS draws the hobby-vs-dealer line, from the nine-factor §1.183-2(b) test to the 28% collectibles rate.
FTC 'Made in USA' Warning Letters: A 2026 Compliance Guide for Small Manufacturers
Seven manufacturers received FTC warning letters on July 6, 2026 over unqualified "Made in USA" claims. This guide covers the "all or virtually all" standard under 16 CFR Part 323, the $53,088-per-violation penalty, qualified-claim wording, and the substantiation file every small manufacturer should keep.
Multichannel Inventory Reconciliation: Why Shopify, Amazon, and POS Stock Counts Drift Apart
Inventory distortion costs retailers $1.77 trillion a year in stockouts and overstock, and multichannel sellers on Shopify, Amazon, and POS are especially exposed to sync lag, phantom inventory, and manual reconciliation errors—this guide covers real-time sync, cycle counts, and reorder-point formulas to fix it.
Print-on-Demand Bookkeeping: COGS, Fulfillment Fees, and Sales Tax Nexus Explained
Print-on-demand sellers who are merchants of record (Shopify with Printful or Printify) owe sales tax themselves and can deduct real COGS, while royalty-based marketplace sellers (Redbubble, Amazon Merch, Etsy) owe no sales tax because the platform is a marketplace facilitator and have no deductible COGS at all.
Board Game Cafe Bookkeeping: Cover Charges, Food, Retail & Game Library Depreciation
Board game cafes blend three businesses — admission fees, food and beverage, and retail — and each needs its own revenue and COGS account; the game library itself should be capitalized and depreciated over 3-5 years, not expensed, while shrink-wrapped retail copies stay inventory.