You'll also want to consider if each lender provides funding for renovations/improvements.

These are typically located in lesser-known vacation rental markets, but have very strong fundamentals and great room for improvement. 

@Richard NguyenHere are some of the downsides of putting real estate into a self directed IRA or 401k.No tax deductions: You can’t claim deductions for property taxes, mortgage interest, depreciation, repairs, improvements and other property-related expenses.Property expenses: All expenses, repairs, and maintenance costs must be paid with IRA or 401k funds, and you must pay others to do repairs and manage the property.

Here's a little tidbit I noticed a few years ago that I thought I would share.  I'm giving a reverse example, as in I will show how my credit score dropped 59 points in one month because I forgot to do my "trick".The ...

I bought a multifamily property that was undervalued, so working on renovations and improvements now.

The price was low in 2014, today that same price is riduculously low, and the buyers in 2014 improved the property tremendously and recently re-sold for $230,000, good for them! 

People think it's so easy to just find a deal that when improved, is going to give you a 25% equity position so you can get all your money back when you refi.

Average maintenance and capital improvement: 350/month (4-5kyr).

The company aims to raise funds from investors to purchase single-family homes, primarily in Florida, improve them, rent the properties, and eventually resell them (11:33).

You will benefit from better rates and lower cost lumber now, so that will help make up for some of the added carry and perhaps the market conditions have even improved?