Most 401ks give you 30 or 60 days to pay back a 401k loan or they count it as a withdraw and that is a taxable event. 

For context, I will be assuming his VA loan at 5.1% and he will be doing seller financing for the remaining equity and sale price. 

if he performs a service for you, just pay him for it. 

Now I'm 9 years into it and my assets pay for everything.

Not sure if I have to pay for the more advanced features for it to work better but want to get other thoughts before I start syncing data and have to turn back.Thanks!

The nice thing about the arbitrage business model, is the companies usually pay you a monthly rent, and then they handle all of the AirBNB stuff. 

Or just pay your sister a finders fee for getting the deal?

Given that I would pay 3/4 of the property's assessed value I think this could be a great opportunity.

You can pay for expediting for plan reviews and the best way to "expedite" beyond that is to make sure that your engineer / consultants are submitting complete packages each review cycle.

If you have any contractors ask them if they know of any properties for sale.