Bookkeeping for E-Commerce: What Founders Get Wrong (and How to Fix It)

Kimberly Green | 2024-09-03

Bookkeeping for e-commerce looks simple from the outside. Money in, money out—right? Not quite. Once you throw in inventory, merchant fees, returns, sales tax across states, and syncing Shopify with QuickBooks... chaos. Most e-commerce founders come to Sam’s List when they’ve tried to DIY for too long and it’s finally caught up to them. Here’s what we see most often—and how to clean it up before it costs you time, money, or worse: tax penalties. Looking for a bookkeeper for your Ecommerce business? Check out Sam's List to find a list of accountants and bookkeepers that specialize in working with Ecommerce businesses! Mistake Why It Matters Not tracking cost of goods sold (COGS) You’ll overestimate profit and pay too much tax Ignoring platform fees Shopify, Stripe, and Amazon all take a cut Not reconciling payouts Your books won't match your bank account Using personal accounts for inventory Messy records, hard to track what’s deductible Delaying cleanup until tax season Leads to panic, overpayment, or missed write-offs “E-commerce brands especially need help—inventory is no joke. Bad books don’t just hurt you during tax time. They can hide cash flow issues or hold you back from scaling.” — Kimi, Co-founder of Sam’s List Category Details You Need to Track Revenue Gross sales, returns, discounts by channel (Shopify, etc.) COGS Inventory purchases, freight, duties Platform Fees Shopify, Stripe, PayPal, Amazon, etc. Advertising Spend Meta, Google Ads, influencer payouts Operating Expenses Subscriptions, software, rent contractors Sales Tax Liability State-by-state, especially for nexus compliance Net Profit + Cash Flow Not just sales--what's actually left When to Stop Doing It Yourself If you’re doing more than $20K/month in revenue, bookkeeping is no longer a side task—it’s a business risk if ignored. “We’ve seen clients spending hours per week syncing Shopify to QuickBooks and still ending up with unreliable books. If you want to scale, outsource this.” When to Hire an E-Commerce Bookkeeper You sell on multiple platforms (Shopify, Amazon, Etsy, etc.) You use apps or tools that affect inventory, pricing, or fulfillment You’re spending 3+ hours/week on books You’ve crossed $250K in annual revenue You’re planning to fundraise or take on a loan 👉 Find a Bookkeeper Who Specializes in E-Commerce FAQ How do I do bookkeeping for Shopify? You’ll need to track gross revenue, fees, returns, shipping costs, and sync with...

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