Prompted by some discussion about costs of developing and DIY C-41, I'm posting this for FW's in the USA.
San Francisco Photoworks has postpaid mailers for film and their processing fees are very reasonable.
http://www.photoworkssf.com/services-and-rates/film-processingI know others here use them, but thought I'd list them again for some of the newer filmwasters.
There's nothing better than the gratification of doing it yourself, but if you don't have the time or the place, SF Photoworks is a great option.