A cost segregation study looks at the overall building that you purchased and breaks it down as much as possible.The purpose of this is to increase the depreciation expense.Without a cost segregation study, you are depreciating the property over two items(Building and Land).However, a cost segregation study might identify items such as fencing which might be eligible to be depreciated over 15 years instead of 27.5 years.Depending on the year that the building was placed into service, you might be able to take bonus depreciation on certain items.The follow-up question to ask your CPA is will the cost segregation study help me, and by how much?

Take each of your line items and develop both the next lower level of detail and scaling. 

I have one in NE FLorida, he used to own 300 doors, I call him and run my deals by him, I am hoping to get smarter about deals and have him point out items to me SO THAT he can manage them for me, he manages 20 doors now instead of owning.

Rent a storage unit in a nearby town, ship all items to storage unit, pay someone to then use the items to furnish the home or make a weekend trip 

You just have to handle cleaners and maintenance items. 

Upgraded kitchens, bathrooms, and other items that hadn't been touched for years What was the outcome?

For the most part its just health and safety items, which are items we should have remedied anyways.As someone else mentioned, biggest thing to avoid is having the house tagged as vacant which the city will do if it sits empty for too long (handful of months, grass not cut, etc).

The 25K would go towards a rate buy down.As far as accounting for cap ex and maintenance for newly replaced/updated items, I'd still recommend doing it.

., flushing the wrong items).Also, make sure you do a walkthrough yourself prior to filling the unit.

It is a rare off-market property that does not involve work and/or have risk items.