help me buy my grandpas truck back

My name is Brayden and this is the truck my grandpa gave me about two years ago now. This truck meant everything to me being that my grandpa was struggling with Alzheimer's and he loved this truck. He passed away in February and at the same time this February, I was in a pretty bad accident and lost the truck after it got totaled. Four months later, I found it for sale and am wanting to buy it back to rebuild it but can't get the money together in time on my own, so any donations would be much appreciated and would help me rebuild my dream and my grandpa's dream.