This website (https://www.affordablehousing.com/housing-authority-mi/) allows you to compare the average price, condition, and size of homes available for Section 8 rentals.

Then depending on what's allowed you can speak with a broker who specializes in that type of property (agriculture, industrial, low density residential, etc.) and see what they think the highest and best use could be. 

For the rest I would consider a triple net lease deal or fund in industrial or commercial real estate.  

Depreciation for what is left after bonus depreciation, the building itself, is indeed prorated, however it's a relatively minor factor compared to bonus.And read this post please, since there could be other things not mentioned by influencers: https://www.biggerpockets.com/forums/51/topics/1122635-the-s... 

How much value would a web site with direct booking bring to this kind of arrangement as compared to listing on Furnished Finders, VRBO, etc, particularly if we stick with the mid terms.

Crazy stuff though, this industry never fails to amaze me with how shady it can be.  

Are there notable pros/cons to getting the property under an LLC compared to regular homeownership (us)4.

.$100k for a 2/2 is high for the City of Detroit, unless at least Class B.So, you should take time to understand the NEIGHBORHOODS in the City of Detroit.You might want to follow the "Deep Dive" series we're doing on our BiggerPockets blog about Metro Detroit cities, City of Detroit Neighborhoods and comparing Metro Detroit to other hotspots investors usually consider: https://www.biggerpockets.com/member-blogs/3094/99854-deep-dive-into-metro-detroit-cities-ecorseContact us with any other questions:)

To confirm, compare with comps

I'd compare the blended rate with how much you could get with a refinance otherwise and tell you whether it's a better idea to go with a full refinance or the HELOC route.Feel free to PM me if you don't want to share this information on the public forum.