If you are a native speaker of a foreign language, then becoming a freelance translator could be a great opportunity. Several companies need documentation translated for international partners and hire freelance translators through companies like

http://www.accurapid.com/accurapid/xlatorfr.html

http://www.languagetranslation.com/contact.html

http://www.sdl.com/en/company/careers/default.asp

Precision and accuracy is a must. Companies who hire freelance translators prefer candidates who are native speakers of the target language. The most in-demand services include translation from English to Japanese, Spanish, French, German, Russian, and Italian.