Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Lea Uradu, J.D., is a Maryland state registered tax preparer, state-certified notary public, ...

Janet Berry-Johnson, CPA, is a freelance writer with a background in accounting and income tax planning and preparation for individuals and small businesses. Her work has appeared in Business Insider ...

Understanding your 1040 is the best way to legally minimize your taxes. Top tax professionals will tell you that effective tax planning needs to be proactive, not reactive. The best tax planning needs ...

WSJ Buy Side is The Wall Street Journal’s research and commerce team. Our commerce content is distinct from our newsroom coverage. We earn a commission from some links in our articles. Learn more.

Realizing you made a mistake on your tax return? Don’t panic. If you overlooked a valuable deduction, say, or forgot to report some of your income, you can simply file an amended return. Amending your ...