How can you know if an account is fake or you're being catfished on social media like FB and IG?

I ask bc I get tons of messages from "women" asking for $ and have no job. They live with Grandma, Aunt or sister. When I ask for video chat to see if they are real they always have an excuse. Like no wifi or camera broken , didn't pay bill, need some kind if card like Apple. It very frustrating that people just can't be themselves.

How can you know if an account is fake or you're being catfished on social media like FB and IG?
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