I've flipped about a dozen properties here in Chicago, and quite honestly, it felt like something different went wrong on each one of them.My biggest piece of advice is to KEEP IT SIMPLE starting out. 

With house hacking, there is a simple rule in my opinion: The more uncomfortable you're willing to live, the better the numbers can work, the more comfortable you need to live, the less the numbers will work. 

Its really simple.

There are banks that do non-recourse loans to IRA's, a simple google search should render you some results. 2) If you are still working for the government, you likely can't rollover the TSP to an IRA. 3) When borrowing money with the IRA, you do have a special tax, called UBIT, not a deal breaker, but something to be aware of. 

Start small with simple rehab projects like painting or landscaping to boost value without overextending.

Most sponsors who have actually survived multiple real-estate cycles, say that simple staying power through inevitable downturns is the most important key to long-term success.

Quote from @John Underwood: Thanks John, I like your simple approach, I agree with that.

But they are usually very simple to request. 

It's a simple OBVIOUS.

It's been simple and reliable.