Sarah Mccullen

Writer

Sarah McCullen is a writer covering personal finance, lending agreements, and everyday legal documents. Sarah transforms complex promissory note terms into clear, practical guidance so individuals can create and understand agreements without unnecessary confusion.

Articles by Sarah Mccullen

Promissory Note Guides

What Is a Promissory Note? (And When You Actually Need One)

You've probably heard the term before, maybe in a legal drama or when a friend asked you to "put it in writing" before lending them money. But what exactly is a promissory note, and when do you actually need one?

March 31, 2026