# Sales and inventory

> Academium SMS Help › Sales/Inventory
> For: School Owner, School Admin, Accountant
> Web page: https://helpcenter.academium.com.ng/academium-sms/article/sms-sales-and-inventory
> Last updated: 2026-10-06

**Sales/Inventory** follows the school's supplies, such as uniforms, books and stationery, from purchase to sale or issue. It needs a plan that includes it.

## Setting up

Open **Sales/Inventory → Setup**. Its tabs (each with its own permission) hold your lists of:

- **categories**, such as *Uniforms* or *Books*;
- **suppliers**;
- **stores**, where stock is kept;
- **units**, such as *piece* or *carton*.

Then open **Product** and add each product with its **code**, **category**, **purchase price**, **sales price**, **purchase unit**, **sale unit**, and the **unit ratio**: how many sale units are in one purchase unit, for example 12 pieces in a carton.

## Buying stock

Open **Purchase** and record a purchase bill from a supplier. Stock goes up only when the purchase is marked **received**, by the quantity times the unit ratio.

Open a bill to see the invoice and its payment history. While money is still owed, **add a payment**, with the account, payment method and remarks.

## Selling

Open **Sales** to sell to a **student** (found by class) or a **member of staff**. Choose products by category, the quantity, and record the payment.

Sale payments are recorded as **income** in [Inflow](https://helpcenter.academium.com.ng/academium-sms/article/sms-inflow.md) automatically.

Deleting a sale **returns its items to stock**.

## Issuing items

Open **Issue** to hand out items without selling them, for example lending equipment. Academium shows the available stock, and you can set a **due-back date**.

## Running low

**Catch Up** tells you about products that are **out of stock** and those **running low**. Each person can choose the level they count as "running low" in their [preferences](https://helpcenter.academium.com.ng/academium-sms/article/sms-personal-preferences.md).

## Reports

Under **Reports → Sales/Inventory**: **stock**, **purchase**, **sales** and **issues** reports.

## Common issues

**Stock did not go up after a purchase.** The purchase is not marked as **received** yet.

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