The survival kit for early-stage founders. Four templates that prevent the most expensive mistakes: running out of cash, unknown burn rate, no P&L, impulsive hiring. Includes 12-month cash flow projection model, monthly burn rate tracker with runway calculation, investor-grade P&L statement template, and a hiring budget calculator that reveals the true fully-loaded cost of every hire (1.25–1.40x salary). Plain English, worked examples, spreadsheet-ready. Stop running your startup on vibes.