Resources

Understand the numbers behind each e-commerce decision

Practical guides to true margin, tax obligations, cash flow, marketplace payouts, and the accounting decisions behind growth or a future sale.

5 subjects · 66 guides
Last updated: October 2026

Start with your platform

Amazon and Shopify reading paths

Kickstarter creators: campaign payouts, production costs, and fulfillment cash flow →

Walmart, Etsy, eBay, Meta sales channels, Kickstarter campaigns, and multi-platform operations are also covered in the topic library below.

Margins & true cost

What you actually made after fees, ad spend, duties, and COGS. Use these guides when the platform dashboard looks profitable but the real margin is unclear.

09 guides
Need a settlement, inventory, or margin review?

Taxes & compliance

GST/HST, marketplace facilitator rules, input tax credits, US sales tax, EU and UK VAT, and the records that support the filing position.

27 guides
Connect the tax question to your current numbers

Cash & inventory

Why inventory eats cash, how payout timing creates gaps, and the operating rhythm that keeps decisions readable month to month.

11 guides
Plan tax, inventory, and owner cash together

Platforms & payouts

Marketplace and Kickstarter payouts: what the deposits mean and how to reconcile them to the underlying activity.

15 guides
Need the payout trail checked against your records?
Question not covered?

Some questions are better answered against the actual records

If the guides do not match your situation, send the channels you sell on, the reporting issue, and the period you need reviewed. No platform credentials or tax documents are needed at this stage.

Discuss your tax and accounting position