I understand that this may be a “little day-late, dollar-short” considering what can or cannot be written off was solidified at the end of 2017; but perhaps this can be a helpful guide for your 2018 taxes.
Interestingly, as I write this I am brought to the painful realization that the year is well progressing. It’s already mid-March, and that scares me simply because there is still so much to do for 2018.
Please keep this handy. It will serve you well with any investment real estate acquisition.