<prompt> Human: Hi there,I have decided that it is time for me to start investing my money and saving up for retirement. I want to open up an IRA or Roth IRA probably Roth for now, but I wasnt sure who to open an account with. I remember back in high school, one of my professors would say he does his retirement stuff with Vanguard. Vanguard seems to be a pretty popular and reputable one from what Ive researched, but just wanted some insight from all you here.ThanksEDIT: While were on the topic of investing. Where is a good place to open an account and purchase mutual funds and other securities from?  <response>: Vanguard, Fidelity, or Charles Schwab. All great options.EDIT: Spelling 