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The Two Types of Cost

Selly tracks costs in two places:
TypeWhere it livesWhat it represents
Cost of goodsInventory — per itemWhat you paid to acquire each item
ExpensesExpenses pageBusiness overhead not tied to a specific item
Both are subtracted when calculating your true profit.

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How the Calculation Works

Revenue
− Cost of Goods Sold  →  Gross Profit
− Expenses            →  Net Profit
Example:
  • You sold $2,000 worth of sneakers this month
  • Those sneakers cost you $1,200 to acquire (cost of goods)
  • Gross Profit = $800
  • You spent 150onshippingsupplies,150 on shipping supplies, 80 in marketplace fees, $30 on a storage unit
  • Total Expenses = $260
  • Net Profit = $540

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Where Net Profit Appears

Net profit is shown on:
  • The Performance page — as the primary profit metric
  • The Dashboard stat cards — after expenses are factored in
If you haven’t logged any expenses, Selly shows gross profit everywhere. The numbers will look better than they really are until you add your overhead.

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Expenses Are Period-Based

Expenses are allocated to the period in which you log them (based on the expense date). When you filter by a date range on the Performance page, only expenses dated within that range are subtracted from profit. This means:
  • Log expenses with the correct date, not the date you entered them
  • If you’re reconciling a past month, backdate expenses to when they occurred

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How Often to Log Expenses

For the most accurate real-time numbers, log expenses as they happen. At a minimum, do a monthly reconciliation:
  1. Check your marketplace payout reports for fees
  2. Add up any supplies you bought
  3. Log your recurring subscriptions for the month
  4. Log any one-off costs
Set a reminder at the start of each month to log the previous month’s expenses. It takes 5–10 minutes and gives you accurate monthly profit numbers.