Business Guides
Free business guides with plain-English explanations and live calculators.
Business
Break-Even Analysis: The Formula Every Business Owner Needs
Learn how to calculate your break-even point using fixed costs, selling price, and variable cost per unit — before you launch or expand.
5 min read
BusinessGross vs. Net Profit Margin: What the Numbers Actually Tell You
Understand the difference between gross and net profit margin, see real examples by industry, and learn which metric to optimize for your business.
5 min read
BusinessSaaS Pricing and Churn Rate: The Math Behind Sustainable Growth
Learn how to calculate monthly churn rate, customer lifetime value, and why reducing churn by 1% is worth more than adding new customers for most SaaS businesses.
5 min read
BusinessSole Proprietorship vs. LLC: How Your Business Structure Affects Taxes
Compare the tax treatment of sole proprietorships and LLCs, including the S-Corp election strategy that can save self-employed owners thousands per year.
6 min read