<prompt> Human: They never say you are too young to start investing, but that is pretty much where it is left at. I am here to inquire any and all information about good potential investment opportunities that will benefit more long-term than short-term.So here it is: what is the best long-term investment opportunity for a 20 year-old? Feel free to spare no detail or offer multiple options. Thanks in advance :D  <response>: Please read the sidebar, particularly the section for people of your age group and for investing. 