It's up to your accountant to confirm with you that enough of the burdens and benefits of ownership have passed.If they agree with you then you would do a 1031 right at the signing of the option(actually it can't be an option. 

House hacking, especially in a high-demand area like the Portland metro area, can be an excellent strategy for building wealth and creating passive income.

I just sold a MTR to an investor in the DFW area and we were able to find something that was priced well enough to absorb some rehab, still be an ARV that would allow him to exit in about a year if needed and house hack in the mean time if the MTR does not produce well enough. 

PM me and hopefully we can grab a phone chat or a coffee in the Hartford area some time.

I would love to meet in persob for coffee or a round a golf, but happy to do phone call or zoom as well! 

But in majority of cases this should not violate your terms- DSCR requires the property be an investment rental once you purchase it the property can be STR or LTR.

Further expecting people to pay more money thanis otherwise owed could be an unconstitutional taking of property.  

It used to be an Oldsmobile cost more than a Chevy but you got a few extra do dads on it, a little bit more plush for the extra money.

The best strategy is to refi to get the cash out and find a property that you intend to be an investment.

The underlying architecture of these models makes them best for chatbots & translators (matching word meanings/uses across various languages and translating based on positional/usage probability).I understand in 10 years there might be an Ai that can do this, but right now, these tools are useless for achieving anything of substantial complexity (meaning anything from medium-large coding projects to properly valuing a home, or even calculating the proper $/sf avg in a zipcode), so I don't understand why you repeatedly advocate for their efficacy in this REI space?