Mine was saying something about my bank or something not allowing the transfer but it was working still on other sites just not this one. That's so annoying about it not loading though. Are you going to call again or try to donate another way?
People always like to try to tell other people what they should do or what they think is best. She sounds way into your business... I admire you for having the strength to not start unnecessary arguments, a lot of times stuff just comes out of my mouth.

But yeah, sounds like your mom shouldn't be left by herself so I understand why you stay at home. Don't worry about her, like you said she's just closed minded probably and doesn't understand your situation.
I agree 100%. I don't give anyone respect automatically.