I'd recommend reading these articles on BP for answers to all your questions!

Here's an article with additional FAQs on cost segregation studies that you may find helpful.

You can learn more about that here on a Bigger Pocket Podcasts and here, and here is an article on it too.Much luck!

I wrote an article specifically for house hackers that lays many tax items out for you.

There are many articles and podcasts from BP that they talk about that.The main thing is fill you up with as many information as possible.

Your fixed costs could be something like the following: $5k property tax, $2k insurance, $3k utility (including internet and TV), $2k landscaping (mowing, weeding), $2k or $3k maintenance (if you have a pool or hot tub). 

I'm not going to download it for you from my phone.https://www.cccba.org/article/flip-or-flop-disclosure-rules-...I've read many of your posts and am aware that you feel that you can decide when you want a permit or not.

There are the obvious pros/cons of a duplex but then there are the non-obvious ones that come with being in Detroit.I actually have a fantastic article about this I can share but I'm unable to link to it in this post.

Check out this article we wrote, hopefully if can help you in the future.

As explained in this article, seller financing works best if you understand the needs of the seller.https://www.biggerpockets.com/blog/seller-financingReally dig into this topic and ensure you understand it and are prepared to use it.