open an account with a reputable site like bitcoin.com. add your funding account -either credit card, debit card or bank draft account. once you add ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.quora.com/How-do-you-get-started-buying-cryptocurrency-with-only-500-to-invest&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHVSE7ynyQRjaI00482R5sWvi4haw