I mention all this to simply be careful.  

However, if you are able to sell the land, you can still use the proceeds to invest in property in the location where you plan to retire.Ultimately, it's important to carefully weigh the costs and potential benefits of building a home on your current property versus selling and investing elsewhere.

Any study tips, tips for passing, etc.?

Just a quick tip for anyone managing construction projects on your own.

I can have this resolved in an hour or two, PS why is your pm co not taking care of this ? 

AND you must maintain adequate reserves to take care of the disasters that may happen.So my advice- build your equity.There plenty of other opportunities elsewhere, my clients are involved in institutional grade properties across the country.

Stay consistent in your messaging and TAKE CARE of those little things that tenants get annoyed by. 

Read the rules carefully. 

Network with other investors and get some tips and strategies that they have used to grow and apply them to your business.

A reliable tenant stays many years, always pays the rent, and takes good care of the property.