Open a brokerage account that offers index funds or low-cost index ETFs
Choose the account type that fits your goals (taxable brokerage, IRA, 401(k), etc.)
Decide on index fund exposure (broad market, total US, total international, sector, bonds)
Select one or more diversified index funds with low expense ratios
Prefer funds/ETFs that track broad, reputable indexes and have transparent holdings
Check liquidity and trading costs (for ETFs) including bid-ask spreads and commissions (if any)
Confirm the fund’s tax efficiency (especially in taxable accounts)
Set an investment strategy (lump sum vs periodic contributions)
Determine your target allocation (e.g., stock/bond split) based on risk tolerance and time horizon
Rebalance periodically to maintain target allocation
Automate contributions (set recurring buys)
Start with the simplest diversified option if you’re new (e.g., a total market stock index plus a bond index)
Avoid concentrated or overlapping index funds that duplicate the same exposure
Keep fees and fund overlap low by using a small number of broad funds
Monitor performance and allocations, not day-to-day price movements
Review annually and after major life changes
Ensure compliance with any account-specific rules and contribution limits
Keep an emergency fund separate before investing heavily
Consider dollar-cost averaging if investing a large amount over time
Stay invested long-term and avoid frequent trading