In need of Full/Queen bed (Hemet)

Hello! I'm looking and in need for a bed for my grandmother, I don't have alot of money, and haven't been able to find anything for her.
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she's currently sleeping on a twin bed/foam rubber mattress topper on the floor, and I hate to see her sleep like that, I know it hurts her.
So if anyone is willing to let me have their bed for under 50$, I'll be so appreciative over the generous act, I wish I could spare some more money, but I don't have alot.
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I can pick it up but I can't take my van out of Hemet/San jacinto/ valle Vista because it doesn't have a super great transmission Thank you so much, even if no one helps, thank you for reading my post🙏