The big oversized red flag here is that the seller has been trying to sell for 10 years.

There's too much risk to ignore potential red flags.

I have this condo and while it wouldn’t take me in the red, it won’t get me very far ahead either.

.- I tried to call around to get references and could not find any; That should have been a red flag.- The second call you get is from a guy working out the payment.  

Do you consider this a red flag to invest in Cali?

At the same time they red tag abandoned homes that aren't safe and make the owners tear them down in hilltop.

There are just too many red flags here (including your inexperience) for this to be the right first MHP deal for you.Attend F&D's bootcamp (www.mobilehomeuniversity.com), get educated.  

Red flags to avoid?

Be bold to get your money back asap. 

Most investors try and take advantage of the Primary Home, Secondary home program without concern.When you buy too close in proximity and too soon in terms of sale date you trigger red flags.