Jobs that aren’t labor intensive?

I have flat feet along with an accessory navicular bone, so when I’m on my feet a lot I get a lot of pain. Is there any job that doesn’t require me to be on my feet all day, little experience needed, and isn’t to hard to get? I’m a 21M in San Diego. The only jobs I could find are front desk and receptionist, but those look high in demand and need a lot of experience.

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