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The Best Way to Merge Squarespace and BigCommerce Data for Reseller Income Tracking
If you're doing reseller income tracking by hand right now, here's the fastest path from "two exports" to "one usable sheet," and why the manual version keeps breaking.
Step by step
- Decide your target columns once. Most people settle on Date, Channel, Order ID, and Total — set that up in CSV Experts and you won't redo it.
- Import the Squarespace file first. The first time you see this file shape, you map each of its columns to your target list.
- Import the BigCommerce file the same way. Its columns get mapped once too — after that, every future file with this shape merges with no extra clicks.
- Check the merged totals. Dates and numbers are normalized automatically, so a European "24,00" and a US "24.00" both land as the same value.
- Export. CSV or Excel, ready for reseller income tracking.
What actually goes wrong if you do this by hand
Squarespace gives you a Date column in ISO-like format, while BigCommerce gives you an Order Date column that includes a full timestamp — line those up manually across a few hundred rows and it's easy to miscount a week. On top of that, Squarespace's export customer and shipping address fields are wide, so the money and date columns can end up far to the right of the sheet, and BigCommerce's many optional columns are exported blank depending on store configuration, which can throw off auto-mapping by header position. Individually those are minor quirks; combined into one spreadsheet by hand, they're where most reconciliation errors for reseller income tracking actually come from.
Why it matters for reseller income tracking
Resellers selling the same inventory across platforms need one combined view of what actually sold and where.
Just want the quick column-difference reference instead? See the short version.