Each investor is basically told that there is very high chance to lose their entire investment and they should not even think about investing in the deal unless they can afford the loss.Second, a PPM contains indemnification clause that protects the sponsor from being sued by investors unless the sponsors is found guilty of criminal misconduct. 

LOLAnd possibly an asset protection attorney?

How do I protect myself if 1 of the 10 properties isn't being rented for a period of time and the loan flops and the property goes through foreclosure ?

@Nathan Waters Whether the participants are putting in $10,000 or $10,000,000, it takes the same amount of effort to write the paperwork to protect it.

Am i protected through the redemption period?

The LL policy just covers the house when people other than you live in it, and gives you some liability protection beyond what you might need/expect if you were living there.

It might even be a drunk / intoxicated tenant taking his monetary frustrations out on the landlord.However, you can ask your HVAC contractor about cages and other options to protect the condensing unit (the outdoor part).

@Mukesh YadavFollowing are the similarities and differences between the solo 401k and the self-directed IRA.The Self-Directed IRA and Solo 401k SimilaritiesBoth were created by congress for individuals to save for retirement;Both may be invested in alternative investments such as real estate, precious metals tax liens, promissory notes, private company shares, and stocks and mutual funds, to name a few;Both allow for Roth contributions;Both are subject to prohibited transaction rules;Both are subject to federal taxes at time of distribution;Both allow for checkbook control for placing alternative investments;Both may be invested in annuities;Both are protected from creditors;Both allow for nondeductible contributions;Both are prohibited from investing in assets listed under I.R.C. 408(m); andNeither may be invested in your own business.  

You ought to consider windstorm and flood coverage to properly protect your asset.

I have a law firm I can recommend, with which I have no affiliation, that specializes in real estate, tax, and asset protection law.