Sorry to hear about this. I hope it all works out... I think Rob posted this list, maybe worth checking.
How To Get Your Projects Crowdfunded And Created: The Kickstarter Alternatives | Fast Company | Business + Innovation
People adding other sites into the comments. Its old but...
I agree, photos, as much personalization...Maybe offer links to foundations who treat her type of illness. Shows you are earnest and sincere. Might make people trust it more...
And lastly, if it is indeed short term, put your stuff in storage and take a suitcase to be with her. Moving is super stressful anytime. I can't imagine trying to do it in a time like this.
Best wishes...