Rescue a stray cat in need ❤️

Hi I am asking for help for vet bills to rescue a stray cat we already own 2 we want to take him in so badly but I can not affored vet bills right now this cat has been attacked and has 3 bite marks on his back, with open wounds. he also looks like he has weak or slightly deformed back legs he's a very sweet loving boy who really just wants a forever home and love he will need injections also de-worming and de-fleeing and I will need to have him micro chipped I'm sure he needs xrays. I really want to bring him home please help if you can I have taken him food and will continue to feed him but I cant risk bringing him home before I can take him to a vet for a proper health check and essential treatment. I am in love with his little baby already I just want him home