Site Directory

Square fees per transaction explained: percent + fixed fee models, online vs in-person, and profit math.

What sellers should model on Facebook Marketplace: marketplace fees, processing, shipping, and net profit.

Depop fee guide: what to include, how to calculate fees per sale, and model net profit.

Mercari fee guide: fee inputs, processing, shipping, and profit math per order.

Poshmark fee guide: $2.95 under $15 and 20% for $15+, plus profit math per sale.

Grailed fee guide: commission + processing as inputs and profit math per sale.

StockX fee guide: what fees to include and how to calculate net profit per sale.

GOAT fee guide: commission + processing as inputs and profit math per sale.

OfferUp fee guide: what to model for local vs shipped sales and net profit math.

TikTok Shop US seller fee guide: referral fee formula, new seller promo rate, and refund administration fee rules.

How to compare affiliate/creator commission rates and model profit after referral fees and commissions.

Walmart Marketplace fee overview with referral fee table highlights and a profit formula for sellers.

Clear 2026 guide to eBay selling fees: final value fee, per-order fee, listing fee, and cross-border costs.

UK-focused workflow for estimating eBay fees: enter your official final value fee % and any per-order fee in GBP custom mode.

Stripe US pricing overview for 2026 with add-ons for international cards, manual entry, and currency conversion.

UK-focused Stripe fee breakdown: percent + fixed fee model (UK preset) plus international and FX add-ons when applicable.

PayPal merchant fee overview for US sellers: PayPal Checkout rate and international transaction add-on.

PayPal Goods & Services fee calculator workflow: amount × rate + fixed fee, plus international add-ons when applicable.

UK-focused PayPal fee model: amount × rate + fixed fee (GBP), plus international add-ons when applicable.

Shopify fee news for 2026 with official sources for plan pricing, payments, and transaction fees.

Beginner-friendly overview of Shopify: how it works, what pricing includes, and what fees sellers pay per order.

Amazon fee news for 2026 with official sources for selling fees and FBA references.

January 2026 summary of Etsy fee changes and official rates for listing, transaction, Offsite Ads, and Etsy Payments.

Current Etsy fee rates in 2026, plus what sellers should watch for in updates.

Updated Shopify plan and transaction fee overview, including third‑party payment provider fees and profit modeling tips.

UK-focused Shopify fee breakdown: plan cost, Shopify Payments, and third‑party transaction fees, plus a calculator workflow.

Amazon seller fee update covering the Professional plan, referral fee examples, and FBA cost examples.

India-focused Amazon seller fee calculator workflow: enter referral fee %, fulfillment cost, and costs to estimate profit in INR.

UK-focused Amazon seller fee calculator workflow: set GBP currency formatting, enter your referral fee %, and model FBA/FBM costs for profit.

A clear breakdown of Amazon selling fees: referral fee %, FBA fulfillment costs, and a simple profit formula with examples.

A clear breakdown of Shopify fees: Shopify Payments processing rates, third‑party transaction fees, and a simple profit formula with examples.

Learn how to price your Etsy products correctly to cover costs and achieve your desired profit.

A complete breakdown of all Etsy fees: listing, transaction, payment processing, and offsite ads.

What the Etsy set-up fee is, when it’s charged during onboarding, and how to model it with per-order seller fees.

How Etsy listing fees work: $0.20 per listing, renewals, and per-quantity charges.

Transaction fee formula and fee base: order total includes shipping and gift wrap if charged.

Processing fee is percent + fixed and varies by country; includes a US example and by-country links.

How to confirm Etsy Payments rates by country and model profit in a fee calculator.

UK-focused Etsy fee breakdown (listing, 6.5% transaction fee base, Etsy Payments processing) plus a UK calculator link.

Official Offsite Ads rates and cap, plus how to model the fee in your profit estimate.

How Etsy transaction fees apply to order totals with shipping and gift wrap.

Pricing digital products on Etsy with listing, transaction, and payment processing fees.

Use official Shopify Payments rates by country and model them in a fee calculator.

Plan-based transaction fees when using third-party payment providers.

Allocate your monthly Shopify plan cost per order to model real profit.

How Shopify fees scale as order value increases and the fixed fee fades.

Find your referral fee rate by category and model it in a profit calculator.

Use official FBA size tier examples to estimate per-order fulfillment costs.

Compare FBM shipping costs to FBA fulfillment fees with the same price inputs.

How referral fee bases can include shipping and how to model it.