Refinishing my kitchen cabinets cost me less than $100 dollars! It was hard work but worth it. I'm a single mom with a very busy corporate job and managed to do this by myself. You can too! Check out the step by step instructions at http://www.monicawantsit.com/2012/02/staining-oak-cabinets-espresso-color.html
DIY Filing cabinet makeover - used epoxy to attach cheap 8x10 frames from walmart, painted entire thing using homemade chalk paint in swiss coffee color, then added new hardware and finished it with minwax paste wax to guard against scuffs and scratches.