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ETF's for early retirement strategy
If your intention is to purchase ETFs on a regular basis (like $x per month), then ETFs may not make sense.  You may have to pay a fixed transaction cost like you were buying a stock for each purchase.  In a similar no load mutual fund, there are more likely to be no transaction costs (depending on how it is bought).   The above paragraph is not very definitive, and is really dependent upon how you would purchase either ETFs or Mutual funds.  For example if you have a Fidelity brokerage account, they may let you buy certain ETFs commission free.  Okay then either ETFs make great sense.  It would not make sense to buy ones that they charge $35 per transaction if you have regular transactions that are smallish. The last two questions seem to be asking if you should buy MF or buy stocks directly.  For most people the later is a losing proposition.  They do not have the time or ability to buy stocks directly, effectively.  Even if they did they may not have the capital to make enough of a difference when one considers all the cost involved.  However, if that kind of thing interests you, perhaps you should dabble.  Start out small and look at the higher costs of doing so as part of the "cost of doing business".