I'll send you a PM to see if I can help guide you and your wife in your decision making.

@Rachel AshConsider sharing the following banking guide with your banker. https://www.biggerpockets.com/blogs/3441/45149-solo-401k-bank-account-tips-self-directed-401k-bank-account-guideCharles Schwab also offers a brokerage account for a solo 401(k) plan that allows for checkbook control.

Make sure to read the Beginner’s Guide: http://www.biggerpockets.com/real-estate-investing

The 50% rule is just a guide just like the 1% and 2% rules. 

Make sure to read the Beginner’s Guide: http://www.biggerpockets.com/real-estate-investing

Are there any guides or books that really do good at explaining everything in detail that I could pick up and study? 

Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/alertsRead Beginner’s Guide: http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts: http://www.biggerpockets.com/renewsblog/category/podcast/If you wish to tag someone in the conversation on the forum, type @ followed by their name and then select the name of that person which should appear below the comments box.

Make sure to read the Beginner’s Guide: http://www.biggerpockets.com/real-estate-investing

These are your own thoughts and feelings that should be what guides you.Another question is exposure.

If anyone could please guide me I would be truly thankful.