Inventory and COGS are incorrectly calculated when invoicing based on standard waste-inclusive dimensions instead of actual material used.

QuickBooks Enterprise lacks the ability to separate invoicing quantity from inventory deduction quantity, causing inaccurate COGS and inventory levels for materials with standard waste markup.

Opp. Score

Severity

4High

Willingness to Pay

implied

Added

Jun 4, 2026

Implied Software Gaps

Inventory management system that supports separate billing and consumption quantities for material with waste markup

App Concept

MarbleCuts Pro

MarbleCuts Pro is an inventory and invoicing app for stone countertop businesses that decouples billing quantity from material consumption. It automatically calculates actual square footage used from cutting layouts, deducts only that from inventory, and records waste as a separate line item for accurate COGS while billing the customer the standard waste-inclusive amount.

Key Features

Dual-quantity invoicing: billing quantity differs from inventory deduction quantity
Automatic waste calculation based on slab sizes and cutting patterns
Integration with QuickBooks for synced inventory, COGS, and invoicing
Leftover inventory tracking for remnant reuse

Target Users: Owners and office managers of small to medium marble, granite, and quartz countertop fabrication businesses with 2-20 employees

Revenue Model: $99/mo per company, with a 14-day free trial

Existing Solutions Mentioned

QuickBooks Enterprise

Part of App Idea

Inventory and COGS are incorrectly calculated when invoicing based on standard waste-inclusive dimensions instead of actual material used.

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