I have an excess of available guest points that, due to health reasons, I am unlikely to take advantage of. Does anyone have an ideas on how to effectively use them?
Welcome to the Forum 
I’m sorry to hear that you won’t be able to travel due to poor health. I think it would be best for you to contact member services to explain your situation and i’m sure they will be able to come up with a solution for you. Perhaps you could put your account on hold for a while. Try using this contact form: https://help.homeexchange.com/hc/en-us/requests/new