How will building RV/Boat storage impact my W2 taxes

[Matthew Crane]

I'll make it quick. My W2 income is >$550k/year, if I build an RV/Boat storage facility, will my storage business expenses/losses be able to reduce my W2 taxable income? Or do I have to have REPs status for this side business to affect my W2 income in any way? Also, with a new build (assuming REPs), would I be able to do a cost segregation and use advanced depreciation? Thank you all