Get a Polaroid Camera

This one is easy. Just go and buy one. :-D

But - read this first:

How to Choose a Polaroid Camera?

How to Get Started With Instant Photography?

Five things you should know about Polaroid Camera

The 21st century Polaroid: Real-life Instagram camera lets you print out a retro postcards

I am also interested in Instagram Photo Printer. Makes a "polaroid camera" of your iPhone or Android :-)