Main questions would be, how long have you owned this and is there any rental income reporting on your most recent return.

Keep the main structure but open it up for shelving. 

I'm not sure if we can like to articles on our own websites here, so to be safe I'll just suggest the IRS web page, which does do a pretty good job of explaining the basics: https://www.irs.gov/taxtopics/tc510The main thing to know if you're going to claim business miles is that you do need to keep a log of every business trip. 

It’s just not that common even though that is one of the main things talked about. 

That's the main objective.

.)- Average days on market- Absorption rate- Historical data on rents and sale prices in the area- Population growth- Main economic drivers (industries, individual companies, etc.)- Crime stats... if you know specific zip codes/submarkets that you'd like to target, the best data will come from local precincts. - and more..I'd recommend remaining active not only here on BiggerPockets, but in other valuable RE investment networks that you can find - i.e. local meetups (meetup.com, eventbrite, BP local events). 

I See it as the next Silicon Valley tech hub  - my main business is pushing that direction.

The main factor is will rents cover the debt liability and can you sustain 3-4 months of no income to cover the debt? 

Would love to talk REI mainly commercial an industrial.  

Bathrooms if you can zero threshold people love those and as they age out they need it anyway but that would be for main level.