...you add cash to your stash account. Stash offers investing on auto-pilot by giving "stock back" instead of "cash back". It also has detailed information for each company you may invest in, or you can choose one of their prebuilt portfolios to invest in various stocks - this is a great option for when you want to have the benefits of having your money working for you in the market, but not necessarily want to research each and every individual company while also avoiding putting all of your eggs in one basket (or a few of them). I've personally used both options together - regularly investing in one of their premade portfolios (usually occurs automatically with each pay day) and investing in individual stocks that happy to spark my interest and attention.
It's time to get your Invitation.codes account too 😎