When choosing a solo 401k provider, I recommend to prospective clients to read the following blog from my one of many blogs on Bigger Pockets. https://www.biggerpockets.com/blogs/3441/blog_post...Mark, the link to the IRS Excel list in your blog post is quite old (about 4 years).

We determined that five houses, paid for, will complement military retirement.  

It can turn into a legal mess with a PG and seller finance.The option gives you the chance to see how the property really performs at it's current base level to determine If you should walk away or you think you can turn it around.Is the seller wanting to owner finance because of most depreciation has been written off and they do not want to 1031 and instead take capital gains in small chunks over time given their older age??  

The main thing that can determine if it's a deal breaker is the finances.

I have read a lot about people freezing up and never making the plunge to actually become an active real estate investor and I am determined to not let that be me.

No matter what you paid, or how much you spent on the rehab, the appraisal (along with the banks loan to value ratio) will determine how much you can get back out.

@Jeremy Kleier What type of funding are you looking for, that would determine the lender you should be looking for.

I want to get started at a young age because I'm very determined to be successful in life. 

I live in Jamaica and I am new to Real Estate Investing I hope to further my knowledge and to continue to exalt effort and determination into making Real Estate Investing an excellent career/income source

Have you determined what type of property you want to invest in?