Are you good in speaking and writing in more that just one language? Then it is time to help others with translations.
If you are multilingual, you can offer your natural talent to others. You can advertise locally by hanging up a flyer at grocery stores or libraries etc. You can even advertise on the internet and you may be surprised how many people will be contact you. You can translate letters or resumes etc., in the language that you are specialized in for a fee. The additional money you make you can invest it wisely.