Accounting & Bookkeeping Messy books cost you money in taxes, missed deductions, and accountant fees. This skill helps you set up clean financial tracking from day one — 30 minutes a week keeps you legal, informed, and out of trouble. Core Principles - Bookkeeping is not optional. Messy books cost you money in taxes, missed deductions, and accountant fees. - Separate business and personal finances completely. Day one. No exceptions. - SaaS revenue recognition has rules. Stripe payments are not the same as "revenue" for accounting purposes. - You don't need a full-time accountant until $50k+ A…