--- title: "Product Maintenance | GTX Products" slug: "products-maintenance" description: "Learn about Product Maintenance in Marlin GTX trusted automotive software by Megabus." updated: 2026-02-18T04:38:29Z published: 2026-02-18T04:38:29Z canonical: "help.megabus.com.au/products-maintenance" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.megabus.com.au/llms.txt > Use this file to discover all available pages before exploring further. # Product Maintenance ****Marlin GTX**** enables the creation, maintenance and control of products using the Product Maintenance module. **Product Maintenance** centralises product setup including descriptions, classification, costing methods, pricing structures, inventory tracking and ordering rules. Product Maintenance can be accessed by selecting **Main > Products > Manage Products** from the menu bar. **Product Maintenance** can be accessed by selecting: - **Main > Products > Manage Products**. ## Adding Products #### Main > Products > Manage Products **To add a new product:** - Click on **Add** button at the top of module window The **Add Product** window will open on the **Details** tab. Enter the **product details** and click on the **Save** at the top of the module window. See the sections below for further information about the individual product fields. Tip To save time, you can **clone an existing product** and update only the required fields: - **Select** the product in Product Maintenance - Click the **Clone** button at the top of the module window (or press **F5** on the keyboard) ## Product Details #### Main > Products > Manage Products > [Product] > Details The **Details** tab includes the item's general settings, pricing fields, cost structure and inventory tracking metrics. ### Description and Handling #### Main > Products > Manage Products > [Product] > Details The top part of the section on the left defines a product's **description** and **handling**. **Product detail and handling fields:** - **Code:** A unique identifier for the item. - **Description:** A short name or label for the item. - **Long Description:** Additional detail describing the product more completely. - **Allow Description Override:** Allows users to modify the description on orders and transactions. - **Active:** Whether the item is currently available for sale. - **Edit Sell Price:** Allows users to change the sell price on orders and transactions. - **Second Hand Item:** Flags the item as eligible for trade-in. - Requires the **Costing Method** to be set to **Specific Cost**. When traded in, the cost posts to a [specific-cost grouping](/gtx/docs/specific-cost-products-1). - **Stocked:** Determines whether the item is tracked in inventory. - **Stocked Items:** Quantity on hand and cost are tracked. Sales post to the Sales of Stocked Items GL account. - **Non-Stocked Items:** No tracking, cost is always $0. Sales post to the Sales Revenue and Purchase Expense accounts. **Note:** Nonstocked items always generate 100% gross profit since their cost is $0. ### Classification #### Main > Products > Manage Products > [Product] > Details The bottom part of the section on the left defines a product's **classification**. **Product classification fields:** - **Product Type:** Not currently used (leave as Product). - **Costing Method:** How the item's purchasing costs are calculated. - **Average Cost:** Averages previous purchases - **Specific Cost:** Is a specific-cost grouping (individual products have their own costs) - **ZeroCost:** Cost is always $0 - **Standard Cost:** (If enabled) Always apply standard accounting cost (additional Standard Cost appears in Costs section on the right) - **Supplier Catalog Code:** The supplier’s product or catalogue reference number. - **Barcode:** Barcode number, if applicable - **Product Group:** How the product is grouped for reporting purposes. - **Search Code:** Used for quick look-up - **Tyres:** Enter size without letters and slashes (eg. "2357515"). - **Other:** Enter short, memorable codes (eg. "LAB", "WHEEL178") - **Series:** Product series, if applicable - **Speed:** Product speed, if applicable - **Brand:** Select product brand (add from System > System files > Products > Product Brands) - **Sales GL Account:** (Non-stocked items only) Account for recording revenue - **Purchases GL Account:** (Non-tocked items only) Account for recording purchase cost. - **Item Type:** Customisable categorisations (add from System > System files > Products > Item Types) ### Prices #### Main > Products > Manage Products > [Product] > Details The section at the top-right defines a product's **sell prices**. These are the **default sell prices** that will be used when a product is added to an order: - By default you will have access to **Retail** and **Wholesale** prices - However, you can define [up to six custom pricing slots](https://help.megabus.com.au/gtx/docs/sell-prices#additional-sell-price-fields) - Whether sell prices can be edited after being added to orders is controlled using the **Edit Sell Price** checkbox in the [General section](/gtx/docs/products-working-1#description-and-handling) on the left See the [Sell Prices](https://help.megabus.com.au/gtx/docs/sell-prices) help guide for further details. ### Product Costs #### Main > Products > Manage Products > [Product] > Details The section in the middle on the right defines a product's **purchasing costs**. **Product Cost Fields:** - **Normal Cost:** The usual cost at which the item is typically acquired - **Special Cost:** Used in calculations when lower than the normal cost - **Supplier List:** The supplier’s suggested retail price - **Last Cost:** The most recent cost paid to acquire the item - **Average Cost:** The average cost of previous purchases - **Average Claims:** The average credit expected from warranty claims. - **Average Consignment In Cost:** The average cost of supplier-owned consignment stock - **Standard Cost:** (Only when Costing Method is Standard Cost) A static expected cost for the item, with variances recorded against actual costs ### Product Quantities #### Main > Products > Manage Products > [Product] > Details The section at the bottom-right shows various product **quantities**. These quantities are **automatically calculated** and cannot be edited. **Product Quantity Fields:** - **On Hand:** Quantity currently in stock - **Reserved:** Quantity allocated to incomplete orders - **On Work Order:** Quantity allocated to open work orders - **On Purchase Order:** Quantity on open supplier orders - **On Consignment Out:** Quantity held by customers under consignment - **On Consignment In:** Quantity received from suppliers under consignment - **Held On Claims:** Quantity pending with suppliers for warranty claims. - **Available Stock:** Quantity available for sale - **Calculated as:** On Hand minus On Work Order minus Reserved - If you have **insufficient stock**, this number will be negative Note Adding an item to a work order does not reduce the **On Hand** quantity until the work order is completed. ## Product Options #### Main > Products > Manage Products > [Product] > Options The **Options** tab includes additional settings that affect costing, sales tax handling and inventory replenishment. ### Costing Options #### Main > Products > Manage Products > [Product] > Options The section on the right contains various **ordering** options. **Product costing fields:** - **Sell By:** Defines how the item is sold - **Quantity:** Sold in individual units (e.g. tyres, batteries) - **Value:** Sold by calculated value (e.g. fuel) - **Purchase Price Mode:** Whether the purchase price is per unit or per other metric - **Stock Unit:** Informational only. Defines the unit of measure (e.g. EA, QTS, Set) for use on printed forms - **Location:** Indicates the store or stock location - **Tax Code:** Required. Defines the applicable tax rate or exemption for the item - **Markup Group:** Sets the markup used to calculate the selling price for each pricing level - **Supplier Discount:** Defines how your cost is calculated when a supplier discount is available - If blank, cost is calculated as the lower of **Normal Cost** or **Special Cost** (if not $0.00) - **Standard Remark:** Assigns a predefined comment to print on quotes, work orders and invoices - **Add-On Package Group:** Assigns product to an [add-on package](https://help.megabus.com.au/gtx/docs/packages#addon-packages) - **Commission:** Assigns a product-level [commission](https://help.megabus.com.au/gtx/docs/employee-commissions) - **Incentive:** Assigns a SPIFF (Sales Promotion Incentive Fund) amount for employee bonuses (Only active if a [commission type](https://help.megabus.com.au/gtx/docs/employee-commissions) is set) - **Stock Message:** Stores a custom message relating to this item’s inventory, such as alerts or notes > stock message - select product message from menu - where does this apply? > > > > Are you asking where stock messages are set up so that they can be selected from the dropdown? ### Product Ordering Options #### Main > Products > Manage Products > [Product] > Options **Product ordering fields:** - **Normal Supplier:** The default supplier for the product - **Allow Decimal Quantity:** Enables fractional quantities (Useful for items like oil, coolant and other liquids) - **Warranty Limit:** The duration or limit of the item's warranty (e.g. months or mileage) - **Last Purchase Date:** The last date this item was replenished - **Last Purchase Reference:** The invoice or document number for last purchase - **Discontinued:** Flags the item as no longer available for sale - **Discontinued Date:** Specifies the date the item was discontinued - **Reorder Level:** The quantity at which the item should be re-ordered, based on sales history - **Reorder Quantity:** The quantity typically ordered when replenishing - **Safety Quantity:** The minimum quantity you always want to keep in stock regardless of sales activity > re-order levels not there? - no mention in re-order doc? https://help.megabus.com.au/gtx/docs/reorder-levels > > > > As in, it's not visible in the screenshot? I believe this is a switch dependent configuration. If they have the switch on, the reorder level will show. ## Additional Tabs #### Main > Products > Manage Products > [Product] The other Product Maintenance tabs provide extended functionality for managing and reviewing product records. See the relevant help guides for details. Note - **Not all tabs** are applicable to every product type or configuration - Some tabs, including **Web Fields**, **Image** and **Equivalents**, are only available at the **Head Office** in centralised systems. **Add** button ![](https://cdn.document360.io/d7282b31-60c4-41e6-bf87-3f684d4da049/Images/Glossary/image-1704776179584.png) Shortcut: **Insert** **Save** button ![](https://cdn.document360.io/d7282b31-60c4-41e6-bf87-3f684d4da049/Images/Glossary/image-1705904835202.png) Shortcut: **F10** **Clone** button ![](https://cdn.document360.io/d7282b31-60c4-41e6-bf87-3f684d4da049/Images/Glossary/image-1718934082643.png) Shortcut: **F5**.