Im concerned about my family dog. She's a 13 year old mini pin & lately she's been puking, has diarrhea and has been shivering as if she's cold even when I bundle her up in blankets and cuddle her. She's been drinking water but I'm unaware if she's been eating as we have two other dogs and they eat from the same bowl and I go to school so I cant keep track of her eating habits when im not home. I was wondering if anyone's older dogs has experienced this. I can't afford to take her to a vet because I currently dont have a job right now but I'm actively looking so I can't afford any vet bills and its honestly making me feel like a shitty person. I don't have school for the next 5 days so I plan on keeping track of her eating and bathroom habits.