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E-commerce

E-commerce bookkeeping services

Marketplace payouts are net of a dozen deductions. Booking the payout as revenue understates sales and hides every fee.

Parag Jain, CPA
Parag Jain, CPAFounder, Zinance·Last updated August 2026·6 min read

Summarize this article

At a glance

The core error
Booking payouts as revenueA Shopify or Amazon deposit is net of fees, refunds and holdbacks
Nexus
Economic, not physicalYou can owe tax in states you have never visited
Marketplace facilitator
Platform may collect for youDoes not always remove your filing obligation

E-commerce books go wrong in a specific and predictable way: the deposit that lands in the bank is treated as the sale. It is not. It is what survived after fees, refunds, chargebacks, shipping and reserve holdbacks, and every one of those is information you have just destroyed.

Reconcile the settlement, not the deposit

A single marketplace payout can net together sales across a period, referral and fulfilment fees, refunds, chargebacks, promotional rebates and a reserve. Booked as one revenue line, gross sales are understated and the entire cost of selling is invisible.

What that costs you

You cannot compute contribution margin if platform fees are netted out of revenue rather than sitting in cost of sales. Which means you cannot tell whether a product is profitable, and the decision to scale it is being made blind.

Inventory is not an expense when you buy it

Stock is an asset until it sells, at which point it becomes cost of goods sold. Expensing purchases on payment makes a big buying month look catastrophic and the month you sell it look extraordinary, and neither is true.

Sales tax nexus after Wayfair

Economic nexus means sales into a state can create a filing obligation there on volume alone, with no office, staff or stock in it. Thresholds vary by state, and they are tested continuously rather than annually.

Marketplace facilitator rules complicate it further: platforms often collect and remit on your behalf for marketplace sales, but that rarely covers your direct channel, and it does not always remove your own registration or filing obligation. Our e-commerce sales tax page goes into it properly.

What we do for e-commerce companies

Settlement-level reconciliation across every channel, inventory and COGS treated properly, fees where they belong so margin is real, and nexus monitored before it becomes a back-tax problem.

Frequently asked questions

Why not just book the Shopify payout as revenue?+
Because the payout is net of fees, refunds and holdbacks. Booking it as revenue understates gross sales and buries the cost of selling, so contribution margin per product becomes uncomputable — which is the number you most need.
The marketplace collects sales tax. Are we done?+
Not necessarily. Facilitator rules usually cover marketplace sales but not your own website, and in several states you may still need to register and file even where the platform remits. It reduces the work rather than removing it.
When do we need to register in a new state?+
When you cross that state's economic nexus threshold, which is based on sales volume or transaction count and varies. It needs monitoring continuously — the liability starts when you cross, not when you notice.

Numbers you can actually trust

Zinance is outsourced bookkeeping, tax, and fractional-CFO support built for fast-growing companies, flat pricing, a dedicated human, and books that stay current every day.

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