financial planning

A practical overview of the Korean tax obligations that apply when you invoice foreign clients — business income vs. employment income classification, VAT considerations, NTS filing deadlines, and why you need an accountant before your first foreign invoice.

A practical financial planning guide for engineers, contractors, and dual-income professionals who don't receive a consistent monthly salary — covering cash flow management, tax reserves, emergency funds sized for irregular income, and investment strategy under income uncertainty.

A practical guide to equity compensation for engineers and technical professionals — covering stock options, RSUs, vesting schedules, tax implications, and how to evaluate and negotiate equity as part of a total compensation package.