The best advice I can give you for seeking counsel in online forums is learn how to ask specific questions and provide as much detail as you can. 

I'm actively seeking mentorship from someone with experience in similar markets who can shed more light on this process.

Those are the players for residential...commercial the same way.

My understanding is that the ballpark standard of "unless it would be outrageously tough" (something along those lines) is what applies if you're doing a rehab, seeking new permits, doing structural changes anyways, and things of that nature.For existing pre-ADA structures, my understanding is that the standard is more along the lines of "if it can be easily/cheaply done, you have to do it."

.- Use local real estate agents who are familiar with investment properties to help you find the right deals.You're taking the right steps by seeking knowledge and networking.

They were seeking secondary homes for their family that could be rented to help offset costs and didn't require an immediate or transferrable permit.

A prudent investor doesn't seek quick riches through shortcuts.

Readers should seek professional advice.

This can be especially appealing for those who enjoy traveling or seeking occasional getaways.

Your taxes are none of the ex wife's business and this would seem to address your concerns.I would also put her on notice that future requests for financial discovery will be two-way and if a discrepancy is seen in the other direction you will seek support from her.