Have you noticed ' April Fool's Day joke' in the gmail login page.
If not there is a good news for all. You can print your email at a free of cost. Only catch is unnoticeable ad will print on the back of your printout and it takes 2-4 business days to reach at your place. Still it is free.
Everything you can do with a button click 'Paper Archive'
You can read it
Introducing Gmail Paper
About Gmail Paper