The section 8 website defines a family member as (father, mother, brother, sister, grandparents).

If your role in all of this is not already clearly defined, it would probably make sense to pass.

Roth IRAs cannot be transferred to Solo 401k plans.A few other Solo 401k benefits: Compared to an IRA, Solo 401k contributions limits are roughly ten times higher.There is no custodial requirement for the 401k.You don't need the additional expense and administration of an LLC to have checkbook control.There is a built in-Roth component whereas IRAs are either traditional or Roth, not both.A spouse can also participate in the same Solo 401k plan.The Solo 401k has additional tax benefits over an IRA when investing into real estate using leverage.

Only you can tell if this is a good deal, and if you don't know, I would suggest you pull back and better define your retirement goals, which will influence your investing goals, which will determine your buying criteria.

In my area, law students and housing authorities send "actors" out to walk properties and fill out applications in order to see who violates these laws and they file hefty fines regularly.The benefit of defining your criteria is that it makes it really easy to decide who you rent to, no more comparing applicants. 

If you're self-employed, the Solo 401k will provide many benefits over a self-directed IRA: Compared to an IRA, Solo 401k contributions limits are roughly ten times higher.There is no custodial requirement for the 401k.You don't need the additional expense and administration of an LLC to have checkbook control.There is a built in-Roth component whereas IRAs are either traditional or Roth, not both.A spouse can also participate in the same Solo 401k plan.The Solo 401k has additional tax benefits over an IRA when investing into real estate using leverage.The penalties for prohibited transactions are less severe, though it's best not to utilize this benefit :)

I would imagine it depends on the component of the contract you are referring to. 

Or maybe state or local gvmt. that defines this? 

Thanks for the links I will definately take a look at those.

What are the key components to keep an eye on?