looking at those pics, I can't see any swelling. But has she only 3 legs?
Really don't want to sound harsh or cruel, but I'm not sure you should keep any more animals, and certainly don't start your own pet sitting service. If your parents aren't willing to get a sick animal to a vet, they...
I think maybe the issue is you're not being very clear on what the actual 'issue' is?
Does she look healthy, as pointed out but ignored, swollen toes. Not just ignored, but swiftly onto is she gravid? When pointed out you'd ignored the first bit, the toes, you then say 'let's get back to what I...
Can't really see the back of the back feet, like heel. I still say female.
Not sure how to use the syringe you have. The liquid calcium I think can fe be given via a needle by a vet or injected into a feeder, into a cricket.
Chams tend not to eat dead stuff, do you have access to live foods...
She looks gravid and needs a place to lay her eggs. They can lay even without a male, eggs will be infertile.
Do you have a laying bin in her enclosure? Was reason she was at bottom was looking for somewhere.
She should be having plain calcium, phosphorous free, at every feeding. Calcium with...