Am I too young to invest in rental properties?

I just graduated college (debt free), I'm in graduate school and have a full time, good paying job. I've moved back home with my parents and everyone (friends, parents, girlfriend) keep telling me to look for apartments first. I keep discussing using FHA loans to get a multifamily and make some money, but everyone keeps telling me "Wait! You're still so young, you have plenty of time to do that." Am I being stubborn? Or am I right to pursue this?

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