They may be assigned (though I am not in favor of this) as long as the contract does not specifically prohibit such assignment; and,3.

With all the rules associated with it and the lack of available leverage (non-recourse), the better use is doing loans and/or JV partnerships with other rehabbers, builders, etc.You must obviously learn the ropes of lending and how to protect your capital, but you have better advantages this way.Holding RE in your retirement account will result in the loss of available leverage, the loss of depreciation (it is already a tax advantaged account and paper deductions are one of the greatest benefits to buy and hold RE), and the rules you must follow to not engage in any prohibited transactions are cumbersome involving buy and hold.Let’s use an example of buying a $50k property and let’s say it was already repaired and has a gross monthly income of $1000.

Check the condo docs, there are often prohibitions or restrictions on majority less than all ownership.

Also, there is no prohibition against managing properties in your IRA or 401k.

Sibling, cousin, aunt, uncle, nephew, niece might be permitted ...The folks who run the SDIRA can usually give you info like this, identifying prohibited vs acceptable.

Public solicitations of strangers are prohibited.

Our lease prohibits any repairs by the tenant or any liens to be imposed by any party.

This is likely cost prohibitive for a single property but can be inexpensive when insuring 5+ homes together. 

Sounds like a prohibited transaction.

It's tough to give recommendations in the forums because phone numbers are prohibited.