Answer:
What gets colder as it warms up?
Can describe a distress signal or flashy accessories.
What calls for help, when written in capital letters, is the same forwards, backwards and upside down?
Sometimes it's silver but also gold. Printed on paper it's a treasure to hold. What is it?
The little pink nub that helps rectify mistakes.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.