Seems like he has some good Youtube instructional videos though.

Should I just follow the instructions and do it myself, or is it advisable to hire legal help?  

I know this is hindsight but when ever you lend money you should get a Lenders title policy and give escrow instructions to the title company that your loan is to be in first position.

Search Google for "file ethics complaint [STATE]" and you will find instructions for filing a complaint against the property manager.

Approach them now about doing it, provide them the proper forms, and instructions on how to do it. 

I don't understand how you can't track them down.You could stop paying HOA dues, and that will force them to contact you.As for the PM, I would instruct them to hold off on painting until the termite issue is resolved, which includes providing you with contact information of the HOA board.

Here are additional instructions for the form.How do I start a QOF and can an LLC be a QOF?

Do you have clear instructions for WiFi, TV, etc?

If I receive an email from one who has followed instructions, I will call them and inquire further. 

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