Another example is that with a tax auction it is common for all the interested parties to not be notified 100% correctly meaning they could in theory come back later and try to reverse the sale and take the property back!

On the other hand, you might find a common reason that a few of your potential investors are not investing that might change your own thoughts on the deal.

Today, it is 24 degrees and wind chill, and it tends to be colder in the park and cold mist freezes certain areas of it to the point that they're closed for the season as well.

in my country real estate is not something that is so common,so was asking about the about the degree with the view that it would perhaps get me in track for real estate business.

I know cold calling is how a lot of investors buy but how could this go bad?  

I will give you the common-sense answer below, but this is California, where common sense doesn't exist.A mandatory evacuation is outside of your control, so you shouldn't suffer financially because of it.

Really about growing a strong portfolio of solid deals.Now that being said, if you are a high income earner, well qualified, and can't find reasonably good deals: (i) you can connect with a well connected real estate agent for off-market deals; (ii) you might do a very narrow cost-effective cold call or letter writing.

Beyond legal requirements, I’d love to hear about any practical advice for managing properties, finding good tenants, and avoiding common pitfalls.

Cold, drafty, and couldn't keep the mice out.The thing rented like crazy.

There are a couple of others less commonly used.