Guides by Category
Your calculators already have category hubs. This page gives your long-form content the same structure: start with a topic hub, browse the strategy guides inside it, and jump to the matching calculators when you want to model the numbers. That now includes earned media and influencer measurement alongside your existing business topics.
Amazon FBA
In-depth Amazon FBA guides covering fees, profit margins, launch strategy, and cost optimization for sellers who want to understand the numbers behind the business.
Facebook & Meta Ads
Tactical guides for Facebook and Instagram advertisers navigating Meta's algorithm changes, creative strategy, ROAS optimization, and ad spend efficiency in 2026.
Retirement & Finance
Long-form retirement and personal finance guides that pair strategic planning concepts with practical calculator workflows.
Peptides
Educational, neutral guides covering what peptides are, how peptide math works (reconstitution, dilution, unit conversion), and the broader research and regulatory context.
Supplements & Nutrition
Educational guides on common supplements, ingredients, and nutrition concepts. Informational only — not medical advice.
Pregnancy
Plain-English guides on pregnancy dating, due date accuracy, week-by-week development, and how to read the numbers your prenatal care team gives you. Educational only — not medical advice.
Earned Media & Influencer Marketing
Long-form guides covering earned media, earned media value (EMV), influencer campaign measurement, and the metrics brands use to evaluate awareness and performance.
Latest Guides
A quick scan of everything currently published across guide categories.
Pregnancy Week by Week: What Happens Each Week and How to Track It
What happens each week of pregnancy — key developmental milestones, trimester breakdowns, and how to track your gestational age week by week.
How Due Dates Are Calculated: LMP, Ultrasound, and Why Your Estimate May Change
An honest explainer on how due dates are calculated — the LMP method, ultrasound adjustments, and why the date you're given is an estimate, not a guarantee.
Supplements That May Support Blood Sugar (2026): An Honest, Plain-English Guide
A plain-English overview of four supplements people commonly read about for blood sugar support — what they are, what research generally suggests, and honest trade-offs. Informational only.
Peptides Explained: What They Are, Types, and Common Uses
A neutral, educational overview of peptides — definitions, types, common contexts, the math behind reconstitution and dilution, and the regulatory landscape.
Earned Media in 2026: Definition, EMV Formula, Examples, Metrics, and How to Measure It
A complete earned media guide covering definitions, EMV formulas, examples, reporting frameworks, and the internal links you need to model campaign impact.
Earned Media Value Calculator Guide: EMV Formula, Benchmarks, and Reporting Workflow
How to use EMV calculators, choose a formula, set benchmarks, and keep reporting credible.
Influencer Marketing ROI in 2026: How Brands Measure Revenue, EMV, and Campaign Efficiency
A practical measurement framework for influencer ROI, from clicks and revenue to EMV and creator efficiency.
Earned Media vs Paid Media: Differences, Examples, Costs, and When Each One Wins
A practical side-by-side guide to earned and paid media, when each works best, and how to measure the difference.
Crypto Investing in 2026: Institutional Adoption, Brokerage Access & Portfolio Strategy
How institutional adoption is reshaping crypto in 2026 — brokerage access, portfolio allocation models, tax rules, and connecting digital assets to your retirement plan.
The Meta Andromeda Playbook: How to Stop Bleeding Ad Spend in 2026
A practitioner's playbook for Meta's Andromeda algorithm — creative-first strategy, campaign structure, ROAS benchmarks, and the mistakes that are silently draining your budget.
Amazon FBA Ads & Seller Calendar Playbook 2026: PPC Strategy, Seasonal Budgets & Dynamic Bidding
Interactive 12-month seller calendar with PPC budget multipliers, ACoS calculator, seasonal ad strategies, and a step-by-step launch playbook.
Retirement Planning in 2026: The Complete Guide to Accounts, Contribution Limits & Building Real Wealth
A complete retirement planning guide covering account types, contribution limits, Roth vs traditional decisions, withdrawal strategy, and building long-term wealth.
Amazon FBA in 2026: The Complete Guide to Fees, Profit Margins & Selling Success
Everything you need to know — fees, profit margins, product research, listing optimization, common mistakes, and scaling strategy. The definitive resource for FBA sellers.
How to Get Started with Amazon FBA in 2026 (Step-by-Step Beginner Guide)
Step-by-step beginner guide covering realistic startup costs, the registration process, product research, and your path to first sale.
FBA vs FBM: Complete Cost Comparison for Amazon Sellers
Side-by-side cost analysis, when each model wins, the hybrid approach, and hidden costs most sellers miss.
FBA Profit Margins by Category: 2026 Benchmarks Every Seller Should Know
Realistic margin ranges for 12 Amazon categories — with referral fees, PPC benchmarks, and where to start.
The FBA Launch Checklist: From First Product to First Sale
From first product to first sale — research, sourcing, listing creation, inventory, PPC, and your first 30 days.
How to Reduce Amazon FBA Fees: 12 Strategies That Actually Work
Proven tactics to cut per-unit costs — size tier optimization, inventory velocity, reimbursements, and more.
How Amazon FBA Fees Work in 2026: Complete Breakdown
Complete breakdown of every fee layer — referral, fulfillment, storage, and hidden costs — with real dollar examples.