to find it ODD that my old university thinks I have money to give IT ( not vice versa)

[SetSquare]

in its HUGE cmapus and masses of property...and sends me endless begging letters

Most of them do. Write back and say you are a bankrupt. They'll soon bugger off!

Mine ring me up once a year.

Very polite young students asking me if I would like to contribute towards the sporting facilities etc.

I very politely tell them in return that if I don't have spare money and have only just paid off the loans that I took out to go there in the first place.