@Connor ChanterI use algorithm based studies on small props, there are several companies that do them but I have tried them all and have a personal favorite.

@Marc YoungYou should not do your own cost segregation study.

The information contained in this post is not to be relied upon.

The pricing is outdated, but it will give you a general understanding of how to estimate the major repair categories.Otherwise, this question get's asked ALOT, so I have created boilerplate list of the process of how you can learn to estimate costs.

I'm trying to compare a few different quotes now, so this will be helpful to know.

" and I started to realize the possibility that real estate could give in achieving finantial freedom for me and my family, so me and my wife, being very passionated about houses as well, took courage and started on this journey to study a lot and to build step by step a diversified portfolio.

I would think you wouldn't want to stay on an information/comments website, if you thought the info and comments were given by human AI.

I'm looking at some houses in my home market that have been sitting vacant for some time, any advice on finding owner contact information and approach methods would be greatly appreciated.

I suspect you will discover that adding a ground up ADU will result in a negative position that needs to be recovered before any realized cash flow.  

This can offset W-2 income without REPS, making it a unique opportunity when you're ready.Mid-to-Long-Term Tax Strategy Options:Cost Segregation & Bonus Depreciation (When You’re Ready):If you eventually purchase STRs or investment properties, you may qualify for bonus depreciation through a cost segregation study.