Calculate Your Real Net Profit After US Marketplace Fees
Simulate selling prices, referral commissions, shipping costs, and ad spend for Amazon FBA, Shopify US, TikTok Shop, Etsy, and eBay.
Amazon FBA US Fee Calculator
Fulfillment by Amazon US with standard referral and FBA pick & pack fees.
Break-Even Ad Simulator & Target ROAS / ACoS
Know your maximum advertising limits before losing money on Meta, TikTok, or Amazon PPC ads.
If your ad campaign ROAS drops below 2.01x, your sale becomes unprofitable.
You can spend up to $17.39 per customer acquisition to break even.
Keep your Amazon PPC Sponsored Products ACoS under 49.7% to protect margin.
Unified 5-Marketplace Net Profit Comparison
Live side-by-side net profit breakdown for a $34.99 product across all major US platforms.
Recommended US Seller Infrastructure
Reduce banking fees, keep payouts in USD, and manage e-commerce cashflow.
Doola Official Partner
Form US LLC & Get EIN Online for Non-US Founders
Turnkey US company formation, registered agent, and EIN tax ID for global e-commerce sellers with special partner bonus.
Payoneer for E-Com
Multi-currency receiving accounts for Amazon, Etsy & eBay
Receive payouts from Amazon US, Etsy, and eBay directly in USD without high bank conversion markups.
Firstbase.io US LLC
Form US LLC & Get EIN Online for Non-US Founders
Turnkey US company formation, registered agent, and EIN tax ID for global e-commerce sellers.
Shopify $1/mo Trial
Start your D2C online store with $1/mo special promo
Launch your direct-to-consumer store with official 3-day free trial + $1/month for your first 3 months.
Advertising Spend & ROAS Benchmarks
Calculate customer acquisition cost (CAC), CPC rates, and ACoS targets per ad platform.
Target 25% ACoS for Amazon Sponsored Products.
Advantage+ campaigns for D2C Shopify stores.
10-20% TikTok Creator affiliate commissions.
3.5x - 5.5x benchmark ROAS for intent searches.
Platform Head-to-Head Comparison Hub
Explore dedicated fee guides and simulators for each major US marketplace.
15% referral rates, FBA pick & pack, and category tiers.
Basic, Standard, and Advanced Shopify Payments rates.
6.0% referral fee + 2.9% payment processing margin test.
6.5% transaction fee + $0.20 listing fee calculator.
13.25% + $0.30 standard seller final value rates.
Compare fees at $5,000/mo volume between Etsy & Shopify.
13.25% eBay Final Value Fee vs 15% FBA mandatory pick & pack.
Compare 6% TikTok referral vs 2.9% Shopify credit card processing.
Fulfillment costs vs standalone store customer acquisition.
Payment Gateway Fee Benchmark
Compare credit card processing rates and gateway penalties across US merchant providers.
Product Category Niche Simulators
Tailored net profit & referral calculations by product industry.
Calculate 15% Amazon fees, FBA pick & pack, and return buffers.
8% Amazon referral fee cap for tech gadgets over $100.
Small FBA size tiers and repeat purchase lifetime value.
High repeat purchase rates for pet toys & harnesses.
Calculate 12% Amazon auto referral rate & FBM shipping.
Q4 holiday Amazon FBA storage surcharges buffer.
Bulky FBA shipping weight fee tiers for home decor.
20% Amazon referral fee over $250 item tier margin test.
High LTV repeat customer subscriptions profit model.
Frequently Asked US Seller Fee Questions
What fees does Amazon FBA US charge sellers in 2026?
Amazon FBA US charges a Referral Fee (typically 15% for apparel and home goods, 8% for consumer electronics) plus a FBA Pick & Pack fulfillment fee (ranging from $3.40 to $4.20 for standard size items) alongside monthly inventory storage fees.
What are TikTok Shop US seller fees?
TikTok Shop US charges a 6.0% marketplace referral fee plus a 2.9% + $0.30 payment processing fee per order.
How do Shopify US credit card processing rates work?
Basic Shopify ($39/mo) charges 2.9% + 30¢ USD per online order. Shopify Standard ($105/mo) charges 2.6% + 30¢, and Advanced Shopify ($399/mo) charges 2.4% + 30¢.