It doesn't take much for tenants to have rights violated so it's always best to have assistance from an attorney or this could drag out for months. 

rehab loans only specific banks and usually for borrowers well known to them..

If they are borrowing from or taking distributions from the 401(k), then it is no longer a 401(k) at that point and there is no issue. 

Often I have seen out of state Investors enlist the assistance of a real estate professional who knows the area and properties and can offer their expert advice including videos pointing out both positives and negative but again not without having an inspection contingency as part of the agreement. 

Below that and you're regulated by the state(s) where you do business.There are multiple companies that assist with RIA formation/compliance paperwork.

I do not know any obligations your Partners have above just money assistance. 

Hi Bp fam, I am looking to hire 2 virtual assistants to do outbound calls remotely.

Let me know if I can be of any assistance with any lending questions you or your fiancee may have. 

or could i offer them a return and tell them ill only borrow their money for 6 months

I just got a deal accepted on a residence where the current owner is moving into assisted living on July 15th.