It is not on your typical zillow/redfin/trulia site as she said it is directly from the seller. 

Some specific sites allow 1,000 square feet ADUs.Example: If your home is 1,500 square feet, the ADU cannot exceed 750 square feet.- Detached ADUs: Maximum height is 25 feet or two stories, but cannot exceed the height of the primary structure.3.

$2.5B New Center by Henry Ford Health, Pistons owner and Michigan State Universityhttps://www.clickondetroit.com/news/local/2023/02/08/incredible-investment-in-our-city-25b-detroit-neighborhood-redevelopment-to-begin-in-2024/$1.5B Investment, 12,000 temp jobs, 6,000 New Jobs: District Detroit Developmenthttps://www.detroitnews.com/story/business/2022/11/15/district-detroit-1-5b-development-to-include-housing-retail-hotels/69649853007/$1.4B Total as Hotel Added to Hudson Sitehttps://www.detroitnews.com/story/business/2023/11/02/hudsons-site-hotel-plans-move-ahead-as-city-issues-permit/71426631007/$439M Gilbert Foundation investment in Detroithttps://www.henryfordmsu.org/news/september-2023/gilbert-family-foundation-announces-nick-gilbert-neurofibromatosis-research-institute$400M Investment, 517 New Jobs: Norway’s Nel Hydronhttps://businessfacilities.com/nel-hydrogen-will-build-400m-gigafactory-in-southeast-michigan#:~:text=In%20Southeast%20Michigan-,Nel%20Hydrogen%20Will%20Build%20%24400M%20Gigafactory%20In%20Southeast%20Michigan,green%20hydrogen%20using%20electrolyzer%20technology.$300M Huntington Place Renovations & New Detroit Hotel https://www.crainsdetroit.com/real-estate/huntington-place-renovations-new-hotel-deal-reached$200M Chase Investment in Detroithttps://www.axios.com/2023/09/28/detroit-rebound-jp-morgan-investment$44M Investment, 237 New Jobs: Bollinger Motorshttps://michauto.org/bollinger-motors-plans-44m-metro-detroit-investment/$21.5M Investment for Detroit west side Dexter Neighborhoodhttps://www.clickondetroit.com/news/local/2023/11/01/neighborhood-on-detroits-west-side-receives-more-than-215m-in-investments/$20.6M Investment, 186 New Jobs: BorgWarnerhttps://www.crainsdetroit.com/auto-suppliers/borgwarner-invest-206-million-create-186-jobs$11M, 200 New Jobs: Volkswagen Scout Brand Investment in Detroithttps://www.teslarati.com/volkswagen-scout-11-million-detroit-investment/New Detroit Developments to Be Excited Abouthttps://www.metrotimes.com/detroit/15-new-detroit-developments-to-be-excited-about-photos/Slideshow/32734721/327353923 International Companies Choose Detroithttps://www.detroitregionalpartnership.com/international-investment-comes-to-detroit-region/6 New Residential Developments in Detroithttps://detroitisit.com/6-new-residential-developments-in-detroit-to-know-about/Contact us with any questions you have.

Talk to other clients, go look at his current job site and see how clean it is, the quality of work, if the order of operations is making sense so far, etc.PS I'm a GC in the Nashville area and can take on a handful of clients in 2025 if you need me.

It's questions like these that make me glad that this site/forum exists.

I couldn't find anything too specific on the site.

Bigger Pockets is the right place to come for resources as there are plenty on the site here.

At this point I'm trying to figure if I should try to bring in an experienced partner to de-risk this build out or scrap the plan altogether and sell. 

I am listed on 5 platforms plus have a direct booking site and I rank highly across my 5 listings.  

With my other listings, I use pricelabs, and on their site it says to contact them for more unique pricing.