Online Brokerages & Robo-Advisors

A brokerage account lets you choose and trade investments yourself — stocks, ETFs, mutual funds, and more — with full control over decisions. A robo-advisor builds and automatically manages a diversified portfolio for you based on your goals and risk tolerance, typically using low-cost ETFs and charging an annual management fee. Brokerages suit self-directed investors; robo-advisors suit those who prefer hands-off, automated management. Many firms now offer both under one roof.

Most major brokerages dropped commissions on stock and ETF trades, so they earn revenue elsewhere: interest on uninvested cash, payment for order flow on routed trades, margin-loan interest, fees on certain mutual funds and premium services, and management fees on advisory or robo products. Understanding these revenue sources helps you compare the true cost of a platform beyond the headline of zero-commission trading. This is general information, not investment advice.

A traditional IRA may offer a tax deduction on contributions now, with withdrawals in retirement taxed as ordinary income. A Roth IRA is funded with after-tax dollars, so qualified withdrawals in retirement are generally tax-free. Roth IRAs have income-eligibility limits, and both have annual contribution limits set by the IRS that can change. The better choice depends on your current versus expected future tax rate — consider consulting a tax professional.

Many brokerages and robo-advisors have no account minimum, and fractional shares let you buy into expensive stocks or ETFs with as little as a few dollars. Some robo-advisors or specialized accounts set modest minimums. The practical starting point is whatever you can invest after covering essentials and an emergency fund. Consistent contributions over time generally matter more than the initial amount. This is general information, not personalized advice.

Reputable U.S. brokerages are typically members of SIPC, which protects securities and cash in your account up to applicable limits if the brokerage fails — though SIPC does not protect against market losses. Firms also use encryption and fraud monitoring. Verifying a broker's SIPC membership and FINRA registration, and enabling strong authentication, addresses the main safety concerns. SIPC coverage is separate from FDIC insurance, which applies to bank deposits.

The main one is the management fee, often charged as a small annual percentage of assets under management. On top of that, the underlying ETFs carry their own expense ratios, which add to total cost. Some robo-advisors layer in fees for premium tiers, human-advisor access, or specialized accounts. Comparing the all-in cost — management fee plus fund expenses — gives the clearest picture of what you will actually pay.