We recommend the 10-step approach found in The Three- Page Business Case:

Step 1 Problem: Describe the Performance Problem and its Root Cause

Step 2 Complication: Build an Acute Reason to Change and Find Sponsors

Step 3 Full Potential: Aim for the Best Performance Possible not just Better

Step 4 Diligent Decisions: Identify, Screen, and Choose Alternative Solutions

Step 5  Spreadsheet Safety: Design and Build a Solid Financial Model

Step 6  Top Line: Quantify Impacts and Value Benefits

Step 7 Total Cost: Identify, Quantify, and Price Investment Inputs

Step 8 Deal Dangers: Assess, Adjust, and Manage Uncertainties

Step 9 Distilled Value: Grind the Evidence and Write the Case

Step 10 Profitable Projects: Perform Due Diligence and Execute the Investment