Ask HN: How do I get started in cell phone repair?

I'm a sysadmin at a medium-sized company. Blackberries are VERY popular here; both company-owned and personal phones. There's always something wrong with them, and let's just say I smell an opportunity...

So how do I get started? Any recommended blogs, books or courses? Any obvious caveats and gotchas? Any war stories?

Thanks.

--EDIT-- I should have added that I'm from Jamaica. The carriers do sell Blackberry's, so company owned phones would be under warranty. However, many people acquire their personal pones from the grey market, or as a gift from someone overseas, so there's no warranty. And I do happen to know of quite a few people who make decent money in phone repair.