Helping my Bunny for his medical bills

This is Coffee, a bunny that I've been taken care of for over 6 years now. My initial thought of getting him is because I suffered from depression and my parents thought it was helpful to have a pet by my side. Throughout the course of 6 years, he has been supporting me through my ups and downs. However, a few days ago he started to run in circles and he couldn't stand up straight. I was very horrified as I didn't know what to do. So I sent him to the vet and the vet said that he suffered from a Tilted Head Syndrome, aka he cant stand up straight and is constantly feeling dizzy. The thumbnail is a picture of him trying so hard to stand up but ended up falling and frustratingly laying down. Im not from a wealthy family and $2699 HKD to me is certainly a huge burden to both me and my family. So, I decided to give crowdfunding a try and see if there is anyone who is kind enough to give me and Coffee a helping hand. I sincerely hope that you could give me a helping hand. Thanks!