#cost-of-goods-sold
Cost of Goods Sold
Learn how to calculate and track cost of goods sold for inventory valuation
TikTok Shop Seller Bookkeeping: Reconciling Gross Sales, Fees, and Your 1099-K
TikTok Shop's 1099-K reports unadjusted gross sales, not net payout — referral fees, payment processing charges, and affiliate commissions typically consume 30-45% of that total before it reaches a seller's bank account, and untracked fees can inflate taxable income.
Urgent Care Clinic Bookkeeping: A Guide to Payer Mix, A/R, and Ancillary Revenue
Urgent care clinics typically target 28-35 days in accounts receivable, an 8-15% denial rate, and a 95%+ clean claim rate, while losing 15-25% of ancillary revenue to uncaptured charges — tracking these by payer category is what catches billing problems before they become a cash crunch.
Used Vinyl Record Store Bookkeeping: Consignment, Margins, and the Grading Costs That Eat Your Profit
Used record stores acquire inventory through cash purchase, store-credit trade, and consignment, each with different cost basis and liability treatment, and blending them into one bucket hides which acquisition channel is actually profitable.
Bookkeeping for Vehicle Wrap and Window Tint Shops: Job Costing, Bay Utilization, and Deposits
Installation labor runs close to 60% of a full vehicle wrap's cost, yet most wrap and tint shops book it in monthly lump sums that hide per-job losses. This guide covers splitting tint, wrap, and PPF revenue lines, tracking redo hours and revenue per bay-hour, booking deposits as liabilities, and measuring film yield against a 10-15% waste allowance.
Dry Cleaning Bookkeeping: Per-Garment Costing and the Hidden Expenses That Erode Margin
A dry cleaning shop spending $15,000 a month to process 5,000 garments has a $3-per-piece baseline cost before profit — and hidden expenses like re-cleans, unclaimed garments, and idle machine capacity routinely push real costs above the price on the counter.
Menu Engineering 101: Stars, Plowhorses, Puzzles, and Dogs
Menu engineering classifies every dish by two numbers — contribution margin (menu price minus food cost) and popularity (sales mix) — into four quadrants, Stars, Plowhorses, Puzzles, and Dogs, revealing that a high-volume 32% food-cost burger can generate far more total profit than a "leaner" 38% food-cost entree that rarely sells.
Obsolete Inventory Write-Downs: GAAP's Lower of Cost or Net Realizable Value Rule Explained
GAAP requires inventory to be reported at the lower of cost or net realizable value under ASC 330; here's how to identify obsolete and slow-moving stock, calculate the write-down, and record it while satisfying the IRS's stricter subnormal-goods test under Treasury Regulation §1.471-2(c).
On-Demand 3D Printing Service Bookkeeping: True Costs, Failure Rates, and Depreciation
Filament is only 20-30% of what a 3D print actually costs - machine depreciation, a 2-25% failure rate, and labor make up the rest, and Section 179 combined with 100% bonus depreciation under the OBBBA can let a print-for-hire shop deduct a new printer's full cost in the year it's purchased.
Permanent Jewelry Studio Bookkeeping: Chain Costing, Deposits, and Compliance
A $65 welded bracelet costs $2-4 in gold-filled chain, but real cost of goods sold includes scrap, consumables, and gold spot-price volatility — here's how permanent jewelry studios should track chain costs, deposits, gift card liabilities, and OSHA/body-art licensing as recurring compliance expenses.
Veterinary Practice Bookkeeping: AAHA Chart of Accounts and Drug Inventory Controls
Pharmaceuticals and supplies run 20-25% of revenue at a typical small-animal practice, and the AAHA/VMG chart of accounts plus DEA-compliant drug logs are what keep that margin from quietly leaking away.
Taxidermy Studio Bookkeeping: Costing Mounts, Sales Tax, and Cash Flow Through the Off-Season
In most states taxidermy labor — not just materials — is subject to sales tax, and accurate mount pricing requires materials, labor, and allocated overhead; this guide covers job costing, sales tax rules, and cash flow forecasting for a trade where most revenue lands in a three-month season.
Life After Section 321: How Small E-Commerce Importers Are Rebuilding Landed Cost, Pricing, and Cash Flow in 2026
A practical guide for Shopify and Amazon FBA sellers on rebuilding landed cost, pricing, and bookkeeping after the May and August 2025 suspensions of the Section 321 de minimis exemption, with line-by-line duty math, entry-type tradeoffs, and cash-flow tactics.