<prompt> Human: Im taking an investing class at my college atm and it got me wanting to start dabbling in investing. I had a 100 or so lying in a savings account that didnt even keep up with inflation. So Id like to invest it. I was thinking in etfs, but not sure where is a good place to buy them or if you can for the small amount. Any suggestions on investing ideas or such?  <response>: You cannot do much with 100, the transaction costs for trades will eat up any profit you make. Even the best discount brokers charge 6 or so, so a round trip on a single stock will cost you 12, or 12 Put the 100 in a savings account or go but a book on investing, open a mock portfolio at yahoo or somewhere. Trade the 100 in a fake account, do not forget to account for transaction fees. 