Gold can be stolen, so; it is a risky investment and one that puts gold owners' lives in danger by making them vulnerable to loot and attack.The stock market is also unpredictable.

Judges and prosecutors have turned into unpredictable permissives or enforcers depending on wind direction.

IDK what is going to happen with rates...it's highly unpredictable but we are not doing much of anything to combat the supply side of inflation.

Dead trees of that size on your rental property are unpredictable and very dangerous to the life and property of yourself, as well as your tenants and are a huge liability.  

Unfortunately very unpredictable and can take many years of high rates.

Used appliances are just so unpredictable & without warranty...I have found repairing them can be as expensive as buying new. 

These are notoriously unpredictable.

Some folks here tend to stay away from condos because of the unpredictability of the HOA.

Third, the redemptions can be unpredictable meaning is the lien going to be paid/redeemed in year 1 , 2 or 3 or never.Fourth,  you can easily end up with a dud property or one not worth taking title to or rehabbing.

Here is a great article I read recently that explains the massive hypercomplex unpredictability of lawsuits and how having an LLC might not even protect you. http://www.johntreed.com/blogs/john-t-reed-s-real-estate-investment-blog/65996803-how-should-you-hold-title-to-real-estate-or-your-businessIn the end I would suggest staying sole proprietor.