Turns out, quite a lot.
Lego fans and investors maintain a robust, independent online market for rare and valuable pieces.
Hobby investments are a fun alternative to the stock market. But they aren’t immune from the ebbs and flows of the economy.
Some savers invest their hard-earned dollars in footwear.
Yes, that's a thing.
New trends in luxury investing. But while collecting rare collectibles may be fun, don't give up on stocks and bonds -- these 'passion investments' don't add too much heft to your portfolio.