---
title: What's the minimum amount of money I need to invest on Grifin?
description: You only need $1.00 to begin investing on Grifin, that's it. Here's how it works!
---

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1. [Grifin 101](https://help.grifin.com/knowledge?hsLang=en)
2. [Getting Started 🤓](https://help.grifin.com/knowledge/getting-started?hsLang=en)

# What's the minimum amount of money I need to invest on Grifin?

Grifin's mission is to allow virtually anyone to have ownership in many different companies, without having to cough up a fortune to own just 1 share of 1 company.

**You only need $1.00 to begin investing on Grifin,** **that's it.** The way our technology works is, each time you transact with / make a purchase with [one of the 400+ publicly-traded companies available on Grifin](https://help.grifin.com/knowledge/what-companies/stocks-are-available-on-grifin?hsLang=en) (or any of their subsidiaries), Grifin automatically withdraws $1 from your bank to buy $1 of stock in that company.

This happens **once per week** - Grifin tallies up all the purchases you made this week at public companies, and invests $1 for each transaction.

**For example:** So let's say that, last week you shopped on Amazon 1 time, got gas at Shell 2 times, bought lunch at Chipotle 5 times, and paid your Travelers car insurance bill 1 time. This means that, next week, Grifin will withdraw $9 from your bank to buy you $9 in stock - $1 of Amazon stock, $2 of Shell stock, $5 of Chipotle stock, and $1 of Travelers Insurance stock.

**But wait, is $1 per transaction not enough for you?** You can get even more serious about investing by [increasing your "investment amount" in your settings](https://help.grifin.com/knowledge/how-can-i-invest-more-than-just-1-per-transaction?hsLang=en) at any time! You can increase this to $2, $3, $4 or more per transaction - meaning Grifin will automatically put more money away into stocks for you.

- [Start Here: Grifin 101 🧑‍🏫](https://help.grifin.com/knowledge/start-here-grifin-101?hsLang=en)
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