If you had a binding contract that was properly executed, they seller might not be able to do much, just depends on what stage you are at. 

As a basic outline, I will be closing on a triplex/4plex in Q1 2017 and executing the house hacking strategy outlined in @brandonturner’s books.

If you were executing a loan on your retirement money then you wouldn't be paying penalty taxes.

To maximize returns and limit risk, there are many different intricacies which will help you in building and executing on your strategy.

@Jeff Greenberg, as expected nothing so far out of the ordinary, same process as buying a 200 unit deal.LOI has been accepted and moving towards executing the PSA.

My wife and I successfully executed a 1031 (A) by selling one rental property in CA and buying two in VA two years ago. 

I will definitely reach out when my partner and I decide to start executing. 

If the property is already rented or you have executed leases, 75% of the rental income "can" be counted.

The only stipulation is that is cannot close until day 91I would inquire with the Title Company/Attorney that you would like to close with beforehand to make sure the title insurance underwriter has no issuesThis differs from the FHA financing "anti-flip" that prohibits a contract being executed prior to day 91

The seller did not disclose that he was going bankrupt and that the sale would be subject to bankruptcy court approval until after we had executed all contracts.