You'll have issues with selling.You'll have issues with the county if they find out.You'll have issues with insurance if there is a claim, and they will do an inspection.If it is not legal and documented, everyone will find a way to penalize you and take your money.

Still using all of the deferred tax to make money for yourself.  

1.Subscribe to the BiggerPockets Money and Rookie Podcasts2.Attend the FREE WEBINARS3.Attend a Meetup in Your Area / virtual meet ups4.Purchase the Beginner Books: How to Invest in Real Estate, Set for Life, The House Hacking Strategy5.Peruse the forums!

Hard money loan through community bank.

In theory 'investors get more for their money' with Oregon 1031X transactions. - Competition & Negotiability : If you're looking for more time to analyze deals and an open dialogue on dealmaking, Oregon has proven to be somewhat of a playground.

So you need to remember that there are about 4- 6 big box lenders that fund most of the Hard Money loans and then you have thousands of brokers selling their products and lots of times someone thinks they are dealing with a lender but they are not, they are dealing with a broker who has a lending sounding name and this broker is set up with an account at a few different lenders. 

If you think you can buy a property in Detroit, or Cleveland for that matter, that's going to make you more money in long term appreciation than a property in Miami would, you've got to be a drunken idiot.

You have to remember you make your money when you buy the house .

Where should I save my money?

My wife and I currently make more money than we did in our corporate careers but (legally) have not paid any federal income tax in several years.