The SellerCalc Blog
Practical guides on margins, fees, ROAS, and pricing for online sellers. Written in plain English by the SellerCalc editorial team.
What Is a Good Shopify Profit Margin in 2025?
Benchmarks, formulas, and why 20% net is the line between a hobby and a real Shopify business.
Updated Jan 4, 2026
Daraz Seller Fees Pakistan — Complete Breakdown
Every fee Daraz Pakistan charges in 2026: commission, COD, shipping, and the hidden returns cost.
Updated Jan 8, 2026
Etsy Fees Explained: What Sellers Actually Pay
Listing fees, transaction fees, processing, offsite ads — line-by-line breakdown for 2026.
Updated Jan 2, 2026
TikTok Shop Profit Guide for New Sellers
How TikTok's commission and affiliate model affect your margin — with realistic 2026 numbers.
Updated Jan 6, 2026
How to Calculate Break-Even Point for Your Store
The formula, the variables most sellers forget, and what to do once you know your number.
Updated Dec 29, 2025
ROAS Calculator: What Is a Good ROAS?
Why a 3x ROAS can lose money, and how to find the real number your store needs.
Updated Jan 10, 2026