Long-form guides on freelance pricing, profit margins, SaaS metrics, e-commerce profitability, and unit economics. Every post links to a calculator so you can run the numbers on your own inputs.https://www.econkit.com/en-ushttps://www.econkit.com/blog/how-to-price-freelance-projects-2026/https://www.econkit.com/blog/how-to-price-freelance-projects-2026/A practical framework for converting your hourly rate into fixed-fee project pricing. Includes complexity multipliers, risk buffers, and a worked example.Thu, 16 Apr 2026 00:00:00 GMTfreelancingpricingmarc-lindberghttps://www.econkit.com/blog/freelance-pricing-guide-2026/https://www.econkit.com/blog/freelance-pricing-guide-2026/A freelance pricing framework that accounts for overhead, taxes, unbillable time, and profit margin. Not just hourly rates — project pricing, retainers, and value-based models.Tue, 14 Apr 2026 00:00:00 GMTfreelancingpricingmarc-lindberghttps://www.econkit.com/blog/hidden-amazon-seller-costs-2026/https://www.econkit.com/blog/hidden-amazon-seller-costs-2026/Beyond referral fees and FBA fees, Amazon sellers face at least eight additional cost lines. Here is every one, what it costs, and how to model it.Mon, 13 Apr 2026 00:00:00 GMTecommerceamazonfeesprofitabilitynadia-colehttps://www.econkit.com/blog/break-even-analysis-startups-2026/https://www.econkit.com/blog/break-even-analysis-startups-2026/Most startups calculate break-even once in a pitch deck and never revisit it. Here is how to model it properly, the benchmarks by industry, and the three levers that move it.Sun, 12 Apr 2026 00:00:00 GMTstartupsunit-economicsprofitabilitybreak-evendaniel-kerrhttps://www.econkit.com/blog/cash-flow-small-business-2026/https://www.econkit.com/blog/cash-flow-small-business-2026/Profit is an accounting concept. Cash is what pays the bills. The timing gap between the two kills more small businesses than bad margins do. Here is how to model it and the benchmarks that matter.Sun, 12 Apr 2026 00:00:00 GMTfinancecash-flowsmall-businessprofitabilitysophie-reiterhttps://www.econkit.com/blog/contractor-vs-employee-2026/https://www.econkit.com/blog/contractor-vs-employee-2026/A $50/hour contractor looks more expensive than a $95,000 salary. It is usually cheaper. Here is the full cost comparison and the breakpoints where each option wins.Sun, 12 Apr 2026 00:00:00 GMTemploymenthiringfreelancingcostsmarc-lindberghttps://www.econkit.com/blog/dropshipping-profit-margins-2026/https://www.econkit.com/blog/dropshipping-profit-margins-2026/Dropshipping margins look great on paper — no inventory, no warehouse. The five hidden cost lines between gross margin and real profit tell a different story. Here are the benchmarks and the math.Sun, 12 Apr 2026 00:00:00 GMTecommercedropshippingprofitabilitymarginnadia-colehttps://www.econkit.com/blog/ebay-seller-fees-2026/https://www.econkit.com/blog/ebay-seller-fees-2026/eBay charges four distinct fee layers on every sale. Most sellers track one or two. Here is the full fee stack, category-specific rates, and how to model real per-item profit.Sun, 12 Apr 2026 00:00:00 GMTecommerceebayfeesprofitabilitynadia-colehttps://www.econkit.com/blog/freelance-tax-guide-2026/https://www.econkit.com/blog/freelance-tax-guide-2026/Freelancers owe more tax than employees on the same income. The 15.3% self-employment tax is the biggest line, but not the only one. Here is the full tax stack and deduction strategies.Sun, 12 Apr 2026 00:00:00 GMTfreelancingtaxesself-employmentfinancemarc-lindberghttps://www.econkit.com/blog/how-to-calculate-roi-2026/https://www.econkit.com/blog/how-to-calculate-roi-2026/ROI is the most-used and most-abused metric in business. The formula is simple. The inputs are where teams go wrong. Here is how to calculate it honestly, with benchmarks by investment type.Sun, 12 Apr 2026 00:00:00 GMTfinanceroiunit-economicsprofitabilitydaniel-kerrhttps://www.econkit.com/blog/how-to-price-a-product-2026/https://www.econkit.com/blog/how-to-price-a-product-2026/Cost-plus, competitive, and value-based — three pricing strategies that give different prices for the same product. Here is when each one applies, the formulas, and 2026 benchmarks by category.Sun, 12 Apr 2026 00:00:00 GMTpricingstrategyprofitabilitysophie-reiterhttps://www.econkit.com/blog/how-to-value-small-business-2026/https://www.econkit.com/blog/how-to-value-small-business-2026/Business valuation is not one formula — it is three frameworks that give different answers. Here are the methods, the multipliers by industry, and a worked example through each.Sun, 12 Apr 2026 00:00:00 GMTfinancevaluationsmall-businesssophie-reiterhttps://www.econkit.com/blog/true-cost-of-hiring-employee-2026/https://www.econkit.com/blog/true-cost-of-hiring-employee-2026/An employee who earns $70,000 costs the business $91,000-$105,000. The gap comes from seven cost lines that sit outside the offer letter. Here is the full stack and the benchmarks by role type.Sun, 12 Apr 2026 00:00:00 GMTemploymenthiringcostssmall-businesssophie-reiterhttps://www.econkit.com/blog/how-to-calculate-amazon-fba-profit-2026/https://www.econkit.com/blog/how-to-calculate-amazon-fba-profit-2026/Walk through each fee line that sits between your Amazon selling price and your actual profit. Worked example with real numbers and a free calculator.Sat, 11 Apr 2026 00:00:00 GMTecommerceamazonfbaprofitabilitynadia-colehttps://www.econkit.com/blog/amazon-fba-fees-2026/https://www.econkit.com/blog/amazon-fba-fees-2026/Amazon takes six separate cuts from every FBA sale. Most sellers track three. Here is the full fee stack, what each one costs, and how to model real profit.Fri, 10 Apr 2026 00:00:00 GMTecommerceamazonfbaprofitabilityfeesnadia-colehttps://www.econkit.com/blog/markup-vs-margin-2026/https://www.econkit.com/blog/markup-vs-margin-2026/Markup and margin use the same two numbers but measure different things. Confusing them misprices your product. Here is the difference, the conversion math, and 2026 benchmarks.Fri, 10 Apr 2026 00:00:00 GMTpricingmarginmarkupprofitabilitysophie-reiterhttps://www.econkit.com/blog/amazon-seller-profit-margins-by-category-2026/https://www.econkit.com/blog/amazon-seller-profit-margins-by-category-2026/Realistic net profit margins for Amazon sellers across 12 product categories. Data-backed benchmarks to evaluate whether your margins are healthy or at risk.Thu, 09 Apr 2026 00:00:00 GMTecommerceamazonprofitabilitynadia-colehttps://www.econkit.com/blog/saas-metrics-after-launch-2026/https://www.econkit.com/blog/saas-metrics-after-launch-2026/You launched. People are paying. Now what? The seven numbers every solo SaaS founder needs to track, what healthy looks like, and when to worry.Thu, 09 Apr 2026 00:00:00 GMTstartupssaasgrowthprofitabilityvibe-codingdaniel-kerrhttps://www.econkit.com/blog/fba-vs-fbm-cost-comparison-2026/https://www.econkit.com/blog/fba-vs-fbm-cost-comparison-2026/Side-by-side cost breakdown of FBA vs FBM fulfillment. Compare fees, shipping costs, and real profit margins to choose the right model for your Amazon business.Wed, 08 Apr 2026 00:00:00 GMTecommerceamazonfbaprofitabilitynadia-colehttps://www.econkit.com/blog/burn-rate-vs-runway-2026/https://www.econkit.com/blog/burn-rate-vs-runway-2026/Runway is the wrong number to optimize. Default Alive, burn multiple, and the three levers that move runway more than cutting costs.Tue, 07 Apr 2026 00:00:00 GMTsaasunit-economicsprofitabilitydaniel-kerrhttps://www.econkit.com/blog/cac-vs-ltv-2026/https://www.econkit.com/blog/cac-vs-ltv-2026/The 3:1 ratio everyone quotes, the four structural traps that catch teams who have already cleared the basics, and the payback-period sanity check you should run alongside it.Tue, 07 Apr 2026 00:00:00 GMTsaasunit-economicsgrowthdaniel-kerrhttps://www.econkit.com/blog/shopify-profit-margins-2026/https://www.econkit.com/blog/shopify-profit-margins-2026/The four costs that live outside Shopify's headline number — variable COGS, payment processing, shipping loss, and ad spend — and how each one compounds into your real 2026 margin.Tue, 07 Apr 2026 00:00:00 GMTecommerceshopifyprofitabilitymarginnadia-colehttps://www.econkit.com/blog/what-is-a-healthy-saas-profit-margin-2026/https://www.econkit.com/blog/what-is-a-healthy-saas-profit-margin-2026/The three margins SaaS founders should track, the Rule of 40 sanity check, and what "healthy" actually looks like at seed, Series A, and scale.Tue, 07 Apr 2026 00:00:00 GMTsaasprofitabilitymarginunit-economicsdaniel-kerrhttps://www.econkit.com/blog/freelance-vs-full-time-2026/https://www.econkit.com/blog/freelance-vs-full-time-2026/Most freelance-vs-employee comparisons compare the wrong numbers. The honest math, the hidden costs on both sides, and the hourly rate you need to actually break even with an $85K salary.Mon, 06 Apr 2026 00:00:00 GMTfreelanceemploymentcareermarc-lindberghttps://www.econkit.com/blog/how-to-set-your-freelance-rate-2026/https://www.econkit.com/blog/how-to-set-your-freelance-rate-2026/The math, the benchmarks, and the four traps that quietly destroy freelance margins. With country-specific tax tables and a worked example anchored to real 2025 freelancer data.Mon, 06 Apr 2026 00:00:00 GMTfreelancepricingratesmarc-lindberghttps://www.econkit.com/blog/raise-your-freelance-rate-2026/https://www.econkit.com/blog/raise-your-freelance-rate-2026/The retention math most freelancers never compute. Why a 25% rate hike still leaves you ahead even if 1 in 5 clients walks, plus a 60-day notice template and the five client tiers.Mon, 06 Apr 2026 00:00:00 GMTfreelancepricingretentionmarc-lindberghttps://www.econkit.com/blog/welcome-to-the-econkit-blog/https://www.econkit.com/blog/welcome-to-the-econkit-blog/What this blog is for, how it connects to the calculators, and what you can expect to find here.Mon, 06 Apr 2026 00:00:00 GMTannouncementgetting-startedeconkit-teamhttps://www.econkit.com/blog/pricing-ai-products-2026/https://www.econkit.com/blog/pricing-ai-products-2026/Fixed monthly pricing with variable AI costs is a recipe for losing money on your best customers. Here are four pricing models that actually work for AI products, with worked examples.Sun, 05 Apr 2026 00:00:00 GMTstartupspricingsaasvibe-codingdaniel-kerrhttps://www.econkit.com/blog/token-tax-ai-saas-costs-2026/https://www.econkit.com/blog/token-tax-ai-saas-costs-2026/Traditional SaaS has near-zero marginal cost per user. AI-powered SaaS does not. Here is what the token tax looks like, how it erodes margins at scale, and how to model it.Wed, 01 Apr 2026 00:00:00 GMTstartupssaaspricingprofitabilityvibe-codingdaniel-kerrhttps://www.econkit.com/blog/vibe-a-business-economics-2026/https://www.econkit.com/blog/vibe-a-business-economics-2026/Vibe coding made building easy. Business is still hard. A framework for solo builders who can now ship in a weekend but need to know if the math works before they start.Wed, 25 Mar 2026 00:00:00 GMTstartupspricingsaasvibe-codingdaniel-kerr