My dogs surgery

Hi, my name is will wheeler im the owner of Nikki wheeler a husky golden retiever pitbull mix she's my first dog ive ever had and she needs surgery to remove some tumors that are growing into her bones which is gonna eventually cause her to struggle with walking and just moving around I took her to the vet and they estimated the surgery is gonna cost $1900 which is out of my budget since I am a college student any help would be greatly appreciated and will help out a lot