Kids Cancer No Money Please help

I am trying to work online to raise money, it is poorly paid work, I am pretty much housebound due to my above commitments and I am limited with how many hours I can commit as it's very full on looking after my wife who needs all doing for her, an autistic son and a five year old. I am existing on about 3-4 hours sleep a night ue to long hours of day to day duties and working when I can but I am now in debt and that will rapidly worsen, I have cut off all non essential bills and sold what I can do, my wife's health will worsen and to be honest I am scared and desperate as to what to do. I've exhausted all health from families and friends and really am in a hole and not one of my own making, if anyone could kindly help it would be incredibly appreciated and you will be making a huge difference just to everyday lives.  We need $80000 dollars to recover my kids from cancer please help me am thankful to who helped me out Thank you!