When you're starting out, I think it's important to learn about leverage. There's nothing scarier than to think that your spending your last red cent on a property in the hopes that there are no costly hiccups along the way.
I'd also take the time to really study whose investing habits you are most interested in aligning yourself. By doing that, I think it helps you get past the analysis paralysis and waiting for someone else to tell you that it's ok to invest in a particular property.
The last is to really understand what you want your life to look like and why you're interested in investing. I think most of us here are seeking some amount of control over our financial destinies, but many people have slightly different lifestyles that they want to achieve through their real estate investments.
Lastly, start analyzing deals and see if you can't find a mentor/work with someone to collaborate with on your results. We analyze deals one way, but I know developers as well as other buy and hold investors who don't assess an opportunity the way we would. Also by talking to different types of investors, it can really help you to become wise very quickly and learn what does or does not work for you and why. It might be because of your lifestyle you're trying to achieve. It might be the different people it allows you to work with.
You're young and in California. Save your money. Educate yourself further and really consider your why.