Blog & Guides
Expert knowledge on US LLC formation, sales tax, and ecommerce compliance — written from 500+ real client formations.
The Foreign LLC mistake that costs US residents hundreds every year
Forming your LLC in Wyoming or Delaware while living in another state is one of the most expensive mistakes US ecommerce sellers make. Here's exactly what happens, with real cost calculations, and how to avoid it.
How We Fixed a Washington State Excise Tax Crisis for an Amazon FBA Seller (And Why Avalara Missed It)
A foreign-owned US LLC selling on Amazon FBA owed Washington B&O tax that Avalara never flagged. We assessed the liability, filed three months of overdue returns, and brought total tax due to $0 using Washington's Small Business Credit.
How to get an EIN as a non-US resident: Complete 2026 guide
No SSN, no ITIN, no problem. Step-by-step IRS fax method, Form SS-4 line-by-line instructions, 15–30 day timeline, and the most common mistakes that delay your application.
How to open a US bank account without SSN: Mercury, Wise and Payoneer guide
A full comparison of Mercury, Wise Business, and Payoneer for international LLC owners — requirements, approval tips, and which option works best for Amazon disbursements.
Amazon FBA LLC guide for international sellers: Wyoming vs Delaware
Why FBA sellers need an LLC, Wyoming vs Delaware cost comparison, how sales tax nexus works for FBA inventory, resale certificates, and a step-by-step roadmap from LLC to first sale.