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What is a typical investment portfolio made up of?
Don't over think about your choices. The most important thing to start now and keep adjusting and tuning your portfolio as you move along in your life. Each individual's situation is unique. Start with something simple and straight forward, like 100 - your age, in Total Stock market Index fund and the remaining total bond market index fund. For your 401k, at least contribute so much as to get the maximum employer match. Its always good if you can contribute the yearly maximum in your 401k or IRA. Once you have built up a substantial amount of assets (~ $50k+) then its time to think more about asset allocation and start buying into more specific investments as needed. Remember to keep your investment expenses low by using index funds. Also remember to factor in tax implications on your investment decisions. eg. buying an REIT fund in a tax advantaged account like 40k is more tax efficient than buying it in a normal brokerage account.