<prompt> Human: My wife and I met with a financial planner regarding our overall budget and I have some options when it comes to my mutual fund investment.Its currently in Class C shares and at the end of this year 2017 it will automatically turn over into Class A shares. The annual cost on this account is about .6The planner we met with wanted me to consider moving them into an ETF that would grow about the same rate but have a .3 annual rate. May not seem like a huge chnage but since I dont plan on touching the money any time soon, in the 40 year time frame it would be growing, that .3 adds up.The math looks good on paper and I like the idea but wanted to get a second opinion before going for it. I already have a retirement account through my work and my wife also has a stock account form childhood with the same financial planner. My account would be moved over to this account so theres obviously an incentive to win more business from us but the guy seems smart and really straight forward.Thoughts?Assistant: No real reason not to if the fee is lower and its the same investmentHuman: It would be a different set of investments. ETFs as he explained it are more of a filtered index list of stocks that are more automated than a mutual fund where someone is regularly monitoring the funds and performance hence the higher cost of the mutual fund.Its sort of a proven list on autopilot that has some rules in place in case some stock performances change.  <response>: ETFs as he explained it are more of a filtered index list of stocks that are more automated than a mutual fund where someone is regularly monitoring the funds and performance hence the higher cost of the mutual fund.Yeah thats bullshit. Maybe not in this particular case, but semantically that is not the difference between a mutual fund and an ETF.This is the actual difference between a mutual fund and an ETF in the context of all investing: A mutual fund trades at the end of the day at the end of day price and you can buy partial shares. An ETF trades throughout the day at the share price at that time. You cannot buy partial shares except through dividend reinvestment. 