In most cases, neither is warranted.Warning: I am not an attorney, and this can be a complicated topic.

-Build rapport by quickly finding relatable topics, such as family or sports, and conduct prior research on the investors, including their social media presence.

While doing my research I read many books on the topic. 

https://www.biggerpockets.com/forums/48/topics/1205475-start... 

@Richard QueenHappy to answer any questions you have over an initial phone consultation if you would like.Also, here is a link to reviews from 30+ investors who have worked with us over the years:https://www.biggerpockets.com/users/ZacharyCole/referencesLink to another forum discussion with many investors who have worked with us previously:https://www.biggerpockets.com/forums/92/topics/518583-feedback-on-renttoretirement-and-zach-lemaster?

Without a cost segregation this could be difficult unless the roof has been replaced after the initial purchase.Yes, this exact example came up on another thread https://www.biggerpockets.com/forums/51/topics/1208120-roof-... 

@Nick Moriwaki, all anyone has to do do see where both of us are at is to check out this other thread: https://www.biggerpockets.com/forums/61/topics/269...The last post to date there (by me, to you) 12 days ago says: "Yes, we're on the same page.

Here is a great article that walks through frequently asked questions on cost segregation studies: https://www.biggerpockets.com/forums/51/topics/1113749-cost-segregation-faqPartial Asset DispositionsA partial asset disposition allows real estate investors to write off the undepreciated value of building components that are replaced during renovations or those that are damaged/destroyed.

There was an extensive article written about this last year that I posted on this forum when the same exact topic was brought up.

Couple ways to look at that topic.1.