1) This document discusses how to brew coffee at home and provides a simple ROI model to analyze the costs and benefits. 2) It estimates that the initial year investment for home coffee brewing equipment would be around $68.50 per month but could save around $776 per year compared to daily coffee shop purchases. 3) In addition to financial savings, brewing coffee at home provides intangible benefits like socializing, being environmentally friendly, and increased work-life balance.