Resources
Plain-language explanations of the tax questions small business owners and self-employed professionals actually ask — deadlines, notices, entity choices, and multi-state rules. Written by Fahadun Nabi, founder of Blue Sage Tax and Accounting Inc..
How to Calculate Net Investment Income for High Earners
The Net Investment Income Tax, often just called the NIIT, is a 3.8% surtax that high-income taxpayers see on their investment earnings. It’s a frequent topic of conversation…
30 Mar 2026What Is Net Investment Income Tax? A Simple Guide
Think of the Net Investment Income Tax—often just called the NIIT—as a 3.8% surtax that high-earning individuals, estates, and trusts might have to pay on their investment income.…
5 Dec 2025Have a question we have not written about?
Ask it on a consultation call. It is free, and it is probably a future article.