---
title: "Before you set a price."
description: "Calculate product cost, allocated shipping and taxes, gross margin, and contribution after your entered selling fees."
canonical: "https://b2b.lisaolive.com/buying/margin/"
publisher: "Lisa Olive"
content_format: "markdown"
---

[Buying tools](https://b2b.lisaolive.com/buying/) 

SEE THE WHOLE COST

# Before you set a price.

Use a listed product or enter your own purchase cost. Adjust the numbers for your store to see what remains after the costs you include.

## Your buying scenario

Find a catalog price Optional 

Loading the product directory…

You can enter your own cost below without selecting a product.

## Your estimate

Enter purchase and selling prices to calculate.

Purchase cost / unit

Not calculated

Landed cost / unit

Not calculated

Gross margin

Not calculated

Markup on landed cost

Not calculated

Contribution after entered selling costs

Not calculated

Contribution / unit

Not calculated

See the calculation

Modeled revenue

Not calculated

Product cost

Not calculated

Shipping + purchasing tax

Not calculated

Preparation cost

Not calculated

Gross profit

Not calculated

Percentage selling fees

Not calculated

Fixed transaction fees

Not calculated

Other variable costs

Not calculated

Blank costs are treated as zero for the estimate. They are not confirmed free services.

This assumes every modeled unit sells at the entered price. Contribution is not net profit: rent, wages, returns and unsold inventory are outside this calculation.

[Build your product selection](https://b2b.lisaolive.com/buying/first-order/)