Grandma Raising Grandchildren

My mother is a 50 year old vet tech that has recently lost her husband due to him cheating on her! She has been caring for one of my brothers two daughter for over a yr now because he chose’s to make bad choices. The  grandchildren are 3yrs old and 1yr old. My mom lost her job in the end of January due to not having daycare for the girls. Her husband left in the beginning of March, and she is behind on bills and trying so hard to do what’s right for those girls. The baby only knows my mom cause she has had her since she was born. My m just got a new job and doesn’t start training till 4/20 I just wanna see if anyone could possibly help her and the girls