A cost segregation study would be more beneficial this year. 

I dont know anything about which of them put the money up or if it was some fraction from both and don't intend to try to study that out. 

I get to see the feasibility studies.

They will help you ensure you don’t accidentally leave money on the table by helping you study your competition and by raising or lowering your rates so you can compete better.

The problems are with the inexperienced under capitalized people studying wholesaling strategies as put forth by a variety of guru/mentors and the temptation these people feel when they smell a profit.   

A cash flow study should be performed to ensure that the refinance does not drastically reduce the property's return.Good luck!

You can look into a cost seg study to accelerate some of this depreciation.Beyond the basic deductions, keeping a detailed record of shared expenses and understanding the split-use rules can maximize deductions.For house hacks, depreciation is typically taken on the rental portion only (50% in your case).

College students may appreciate a quiet study area or a place to visit with guests while their roommate studies in the apartment.Maybe there's a need for a coffee shop or other small business that needs very little room but also provides a service your tenants would be interested in?

& different parts of the asset can be depreciated on different schedules.To find out the useful lifespan of each component, you do a cost segregation study to analyze all of the parts.The raw land can't be depreciated so you start by giving that a value first.But other items can be depreciated on a quicker timeline.A roof, road, sidewalk, fencing, walls, gates, doors, latches, flooring, air conditioners, pavers, curbing, landscaping, etc.The IRS has a depreciation schedule for each type.Some parts are 5 yrs.

But again, read the offering documents carefully as you study the investment opportunities, don’t rely on the marketplace or any random (perhaps uneducated customers google reviews) to do your diligence for you.