1. Opportunities, opportunities, opportunities- If you're interested in doing business in another language, creating a profile makes it easier for opportunities to find you. Don't limit your international exposure on LinkedIn to people who speak just English. Within a few weeks of adding a profile in Spanish, I saw a noticeable increase in views to my profile from Spanish speaking countries.
2. It's easy- Check out this article about the steps to set it up, it's not complicated. It could be time consuming to translate your entire profile, so as a first step, I recommend translating your headline and a quick summary. Here are examples below.
I learned Spanish in non-business context, so while I’m fluent and comfortable, my business vocabulary is not that strong. Make sure to have someone proofread what you write in another language, especially if you're not a native speaker. Hope this helps you get motivated to create a profile in another language.