Excel Inventory Sorting Help

I have an inventory spreadsheet in Excel that’s getting hard to read at a glance because every new entry lands wherever it pleases. What I need is a clean, repeatable way to reorder all rows strictly by the Quantity column, lowest-to-highest (or highest-to-lowest if that proves more practical)... (Budget: $15 - $25 USD, Jobs: Data Analysis, Data Management, Data Processing, Excel, Excel VBA, Inventory Management, Visual Basic)