Ehm, you can steal one...

Nah, woundn't do that. Let's be honest. You can try to haggle with the sales person. Or try to import one from another country in which they are cheaper.
Or... try to cut back on other expenses. Don't go out for diner, don't go on holiday, sell your car, etc.
Ken Rockwell has written an entire assay about how to afford all kinds of camera gadgets...
How to Afford Anything