The IRS letter was for the company, not for me
A client asked to pay a company, so I formed a US LLC from abroad and waited for the letter. When it arrived I assumed the number on it was mine. It…
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I built a Canadian sales tax API that handles all 13 provinces and territories
TrueNorth API validates a Canadian address and calculates the exact tax for it in two calls: 41 product tax categories, all 13 provinces and territo…
How to Calculate Quarterly Estimated Taxes When You're Newly Self-Employed (Without an Accountant)
Nobody Warned You That Taxes Weren't Being Withheld If you left a W-2 job to freelance, consult, or drive for a gig platform, you probably had a sma…
Sofi Log #001: Thailand's Tourism Tax & the 180-Day AI Surveillance Wall
[May 2026 Build] The Resurrection of Thailand's "Tourism Tax" & The AI-Monitored "180-Day Wall": A Survival Architecture for Engineers & Inv…
Sofi Log #006: Decentralized IP-Address Obfuscation Specs
[Sofi_Log: #006] Status: [Bangkok: Rain (Evening) / JPY-THB: 0.22] Project: sofi.works [Decoy Identity Implementation] Active_Filter: Filter_R Rainy…
Sofi Log #008: Bypassing Legacy Cross-Border Bank Fee Traps
[Sofi_Log: #008] Status: [Bangkok: Humidity 85% / JPY-THB: 0.22] Project: sofi.works [Visa-as-a-Service Architecture] Active_Filter: Filter_R Sawasd…
Sofi Log #009: Portable Identity & DID Passport Framework
[Sofi_Log: #009] Status: [Bangkok: Sunny & Humid 80% / JPY-THB: 0.22] Project: sofi.works [Autonomous Treasury Integration] Active_Filter: Filte…
Sofi Log #011: Autonomous Smart Treasury Repatriation Specs
[Sofi_Log: #011] Status: [Bangkok: Sunny & Humid 80% / JPY-THB: 0.22] Project: sofi.works [Autonomous Treasury Integration] Active_Filter: Filte…