Help 3 Kittens With Their Upcoming Vet Bills

For years we have been trying to help the stray cat population by trapping and       getting them fixed (paying out of pocket) to try and give them a chance for a           better life. The latest stray cat to come through the neighborhood had three          kittens in tow. We have been successful in trapping and spaying the mom, 
and now have the babies to do.
The local trap and release program was halted for months do to Covid 19, so            there is a surplus of kittens needing homes. Adopting them out  has been virtually impossible. Also there is a lot of new construction in the area that has pushed         coyotes into our neighborhood. Releasing them back onto the streets feels like     sending them off to the slaughter.
Any help towards the vet and food bills for this family of four that we have taken   in is greatly appreciated as they are getting  close to the age that they will need to be fixed.  We are just trying to make life a little  better one kitty at a time!