Someone who had purchased the legal STR with NUC or in "Resort Zone" they most likely be doing alright, but for someone to buy in 2024 and do STR, I think it would be very hard to make a decent ROI.

He will no longer deal with the title company and this lawyer so I have chosen to seek a new attorney based title company to be sure no more legal issues arise to delay this further since the family member will sign but not to these people.

In my experience these are the levels of how financial fraud is doneLevel 1 - The “sponsor” is a fraudster from the beginning and the entire investment is a designed fraud designed to steal the investor's money Level 2 - The sponsor initially intends to operate legally and honestly but the temptation of easy access to money, usually fueled by addictions to drugs, sex, partying, etc. leads to the bad decision to line the sponsors own pocketsLevel 3 - The sponsor intends to operate legally but a crisis in their life resulting in a need for money leads the sponsor to “borrow” from investor’s funds with the full intention of paying it back ( which they are unable to do).Level 4 - The sponsor intends to operate legally but the assets under their management incur substantial loses; the sponsor attempts to cover up these loses by “temporarily” borrowing from one investor to pay another or submitting false results.

There's a great book called Every Landlord's Legal Guide published by NOLO that will give you some great basic advice on how the process works, you may want to buy that.

You will need to report this on your Canadian tax return, but you can offset it with the foreign tax credit for any U.S. taxes paid.A few other points to mention, a lot of the specifics here also depend on your legal structure e.g.

But after that ... hell, move out and you've got a duplex in what otherwise would have been single-family zoning.As it used to be in Denver and Colorado Springs and most cities in the state, you could rent an ADU separately when you live there, but once you moved out, you legally could only rent the whole property to one party. 

Since I didn't hire them, I'm thinking I'm not legally responsible, is this generally accurate? 

I have paid for courses in wholesaling myself and what I learned was its legal and all you have to do is put the work in!

An HOA should always be paid by the owner, they own the property and are legally the responsible party.

They may have a separate system or entity that is used for holding properties vs the business itself for legal protection.