As someone who was more an activist before my health declined, I'll answer.

You don't.

You don't eat, and when you can eat, you do. Food luckily doesn't cost much if you're eating only for survival. Shelter is cheaper if you're always on the move and work together as a community.

Sometimes I'd do a labor pay job to make a bit more to cover essentials, but ultimately the community is how you survive. You don't live in luxury, but you survive.

And not once, not at my poorest of lowest, would I ever fucking take a grifting position. I'd rather starve than do that, and have.

Of course, years of shit showed me people like Greta is only half the solution. You need the saints out there to help the ones being killed, ostracized, and tortured.

But that alone won't ever be enough, and will just be co-opted by those in power to create an illusion that something is being done.

Violence, specifically very targeted violence, will also be needed. But I don't think most humans have it in them. We've become too pacified by bread and circuses - made so comfortable in poverty and oppression that it doesn't matter what the atrocities are or what is being done to your fellow person, they'll just continue as is long term for the most part.

So much so people like you think it's fucking acceptable to grift to "eat". Thievery would be more honerable at this point than that, considering how many of the rich control the food supply anyway. There's so much we don't actually need, that we spend on too, because it pacifies the despair, anger, frustration, depression and so on from the state of affairs on earth. I for one say let it flow, because then you might actually do something about it, whether taking the peaceful route or the one of actual justice.