How to Set Up Automatic Investing: A Step-by-Step Guide

Automatic investing is one of the simplest things you can do for your financial future — and one of the most underused. The idea is straightforward: you pick an amount, choose a schedule, and your brokerage buys investments for you on autopilot. No logging in to place trades, no agonizing over whether today is the right day to buy.

Most major platforms now support recurring investments with no additional fees. Once you set it up — which takes about five minutes — the system runs in the background indefinitely. You can adjust it, pause it, or cancel it anytime.

This guide walks through the setup process on eight popular platforms, explains how automatic investing connects to dollar cost averaging, and covers the mistakes that trip up most beginners. This is educational content, not investment advice — we are not recommending any specific platform, fund, or investment strategy.

Why Automatic Investing Works

Three things make automatic investing effective for most people:

It removes the timing decision. Trying to buy at the perfect moment is a losing game for almost everyone. Automated purchases happen on a fixed schedule regardless of what the market did that morning. Over time, this consistency tends to produce better results than sporadic, emotionally driven trades.

It enforces consistency. The biggest barrier to building wealth is not picking the wrong fund — it is skipping months. When money moves from your bank account to your brokerage automatically, you invest every single period without having to remember or motivate yourself.

It takes advantage of dollar cost averaging. When you invest a fixed dollar amount on a regular schedule, you automatically buy more shares when prices are low and fewer shares when prices are high. Over long stretches, this mechanical approach smooths out the impact of short-term volatility. Dollar cost averaging is not guaranteed to outperform a lump-sum investment in every scenario, but it reduces the risk of putting all your money in at a market peak.

If you are just starting out and wondering which platform to use, our best investing app for beginners guide covers the landscape.

How to Choose a Platform for Automatic Investing

Before you set anything up, you need to pick a brokerage. Here is what to look at:

Recurring investment support. Not every platform automates every investment type. Some let you automate ETF purchases but not individual stocks. Others support automatic mutual fund investments but require manual trades for ETFs. Check what your target platform actually automates.

Account minimums. Most major brokerages have dropped account minimums to $0 for taxable accounts. Mutual funds, however, often still carry minimums of $1,000 to $3,000 — though many platforms offer fractional shares or lower minimums for automatic investment plans.

Fractional shares. If you want to invest $50 per week into an ETF that trades at $500 per share, you need a platform that supports fractional shares. Most modern brokerages do, but older platforms may still require whole shares for certain order types.

Account types. If you are investing for retirement, you probably want an IRA. If you want flexibility to withdraw anytime, a taxable brokerage account works. Make sure your platform supports automatic contributions to the account type you need.

For detailed comparisons between specific platforms, see our Fidelity vs Schwab and Vanguard vs Fidelity breakdowns.

Platform-by-Platform Setup Instructions

Fidelity

Log in and go to Accounts & Trade > Transfers.
Set up a recurring transfer from your bank account to your Fidelity account (checking or IRA).
Navigate to the investment you want to buy (mutual fund or ETF).
Select Automatic Investments and choose your amount, frequency (weekly, biweekly, monthly), and start date.
Fidelity supports fractional shares for most stocks and ETFs, so any dollar amount works.

Fidelity’s automatic investment feature works seamlessly with both mutual funds and ETFs. There are no additional fees for recurring purchases.

Charles Schwab

Log in and go to Accounts > Automatic Investing.
Select the account you want to use.
Choose Add Automatic Investment and search for the mutual fund or ETF.
Set your dollar amount, frequency, and funding source (linked bank account).
Schwab supports automatic investing for Schwab mutual funds and many third-party funds. ETF automatic investing is available through Schwab Intelligent Portfolios or recurring transfers combined with standing buy orders.

Vanguard

Log in and navigate to My Accounts > Account Maintenance > Automatic Investment.
Select the account and the Vanguard mutual fund you want to invest in.
Set your amount (minimum varies by fund — many Vanguard target-date and index funds start at $1,000 initially, but automatic investments can be as low as $100 per month).
Choose your schedule and link your bank account.
For ETFs, Vanguard’s process is less automated — you may need to set up recurring transfers and place trades manually, or use their digital advisor service.

Robinhood

Open the app and search for any stock, ETF, or crypto you want to buy.
Tap Buy > Recurring at the top of the order screen.
Set your dollar amount (as low as $1) and frequency (daily, weekly, biweekly, or monthly).
Confirm the order. Robinhood handles fractional shares automatically.

Robinhood’s recurring investment feature is one of the most flexible available — it works with individual stocks, ETFs, and crypto, all with a $1 minimum. For how Robinhood compares to another popular beginner app, see our SoFi Invest vs Robinhood comparison.

SoFi Invest

Open SoFi and go to the Invest tab.
SoFi offers two paths: Active Investing (self-directed) and Automated Investing (robo-advisor).
For self-directed: find your stock or ETF, select Buy > Recurring, and set your amount and schedule.
For the robo-advisor: answer a few risk-tolerance questions, fund your account, and SoFi builds and manages a diversified ETF portfolio automatically. No management fee.
Set up recurring deposits from your bank or SoFi checking account.

Acorns

Download Acorns and create an account (plans start at $3/month).
Link your bank account and set up Recurring Investments — a fixed dollar amount pulled from your bank on a schedule you choose.
Acorns also invests your spare change automatically through Round-Ups, rounding up everyday purchases to the nearest dollar and investing the difference.
Your money goes into a pre-built diversified portfolio based on your risk profile. You do not pick individual stocks.

Acorns is designed for people who want zero decision-making after setup. If you are curious about the round-up approach, our guide to round-up savings apps goes deeper.

Betterment

Create a Betterment account and complete the goal-setting questionnaire.
Link your bank account and set up Auto-Deposit — choose your amount and frequency.
Betterment automatically invests your deposits into a diversified ETF portfolio based on your goals and risk tolerance.
You can set multiple goals (retirement, emergency fund, house down payment) with different portfolios and auto-deposits for each.

Wealthfront

Sign up and answer the risk-assessment questions.
Link your bank account and set up Automatic Deposits with your preferred amount and schedule.
Wealthfront invests your money into a globally diversified ETF portfolio and handles rebalancing and tax-loss harvesting automatically.
The management fee is 0.25% annually on balances above $500.

For a head-to-head between these two robo-advisors, our Wealthfront vs Betterment comparison covers fees, features, and portfolio strategies.

How Much Should You Start With?

There is no universally correct amount. Here are some practical starting points:

$25–$50 per month works for someone who is just testing the waters. At this level, you will not build wealth quickly, but you will build the habit — which matters more than the dollar amount in the early months.

$100–$300 per month is where the math starts to get interesting. Invested consistently over 10+ years, even $200/month in a broad market index fund can grow into a meaningful sum.

$500+ per month accelerates the timeline significantly. If you can afford this without straining your budget or neglecting an emergency fund, it is worth considering.

The most important rule: do not invest money you might need in the next 3–5 years. Build an emergency fund first, pay off high-interest debt, and then direct excess cash toward automatic investments.

If you are working with a small initial amount, our guide on how to start investing with $100 covers strategies for getting started without waiting until you have a large balance.

Common Mistakes to Avoid

Setting It and Completely Forgetting It

Automation does not mean abandonment. Review your investments at least once a quarter. Make sure your portfolio allocation still matches your goals, and increase your contribution amount when your income grows. The “set it and forget it” advice is about not reacting to daily market noise — it is not a reason to ignore your accounts for years.

Investing Before You Have an Emergency Fund

Automatic investing only works if you do not have to sell your investments the moment an unexpected bill arrives. Most financial planners suggest 3–6 months of essential expenses in a savings account before directing money to the market.

Choosing the Wrong Investment

Setting up a recurring buy is easy. Choosing what to buy is the harder question. Beginners often default to individual stocks they have heard of, which concentrates risk. Broad market index ETFs — which hold hundreds or thousands of companies in a single share — are a more common starting point for automatic investing. Our ETF investing guide for beginners walks through how to evaluate and pick ETFs.

Ignoring Tax-Advantaged Accounts

If you are investing for retirement and using a taxable brokerage account instead of an IRA, you may be leaving tax benefits on the table. Before setting up automatic investments in a regular account, consider whether maxing out an IRA or contributing to an employer 401(k) match should come first.

Overcomplicating the Setup

Some beginners set up automatic purchases of 10 or 15 different holdings right out of the gate. This makes tracking and rebalancing harder without improving diversification much. Starting with one or two broad index funds and adding complexity later is a simpler path.

FAQ

Does automatic investing cost extra?

On most major platforms — Fidelity, Schwab, Vanguard, Robinhood, SoFi — there is no additional fee for setting up recurring investments. Robo-advisors like Betterment (0.25%) and Wealthfront (0.25%) charge a management fee, and Acorns charges a monthly subscription ($3–$12). Underlying fund expense ratios still apply regardless of platform.

Can I pause or stop automatic investments?

Yes. Every platform lets you pause, modify, or cancel recurring investments at any time. There are no penalties for stopping. If your financial situation changes, you can pause contributions and restart them later without closing your account.

Is automatic investing the same as a robo-advisor?

Not exactly. Automatic investing simply means setting up recurring purchases — you might be buying a single ETF on a schedule. A robo-advisor goes further by selecting a diversified portfolio for you, rebalancing it periodically, and sometimes performing tax-loss harvesting. Robo-advisors automate both the buying and the portfolio management. Self-directed automatic investing automates only the buying.

What should I invest in automatically?

This depends on your goals, risk tolerance, and time horizon. Many beginners start with broad market index funds (like those tracking the S&P 500 or total stock market) because they provide instant diversification at low cost. This is not a recommendation — the right choice varies by individual circumstances.

How often should I invest — daily, weekly, or monthly?

For most people, the frequency matters less than consistency. Monthly investing aligns with payday schedules and is the most common choice. Weekly or biweekly investing spreads your purchases across more data points, which can slightly smooth out volatility, but the long-term difference between weekly and monthly is typically small.

Getting Started Today

The hardest part of automatic investing is not the setup — it is deciding to start. The platforms listed above have made the mechanical process trivially easy. Pick one, link your bank account, choose an amount you can sustain without stress, and select a broad index fund or a robo-advisor portfolio. Five minutes now can save you thousands of hours of manual trading decisions over the next decade.

If you want to extend automation beyond investing, our savings automation guide covers how to put your entire cash flow on autopilot — from bill payments to emergency fund contributions to investment transfers.

How to Set Up Automatic Investing: A Step-by-Step Guide for 2026