I wouldn't rely on information here as we haven't seen your building nor understand your bigger goals but this is not something I ever recommend my clients to do....even if they have a few deals under their belt.

By putting 10% down I probably will be less than breaking even every month ((like an extra $800-900 per month at very low/conservative rent prices)  with the building fully tenanted (as is condition not counting value add with renovations). 

You really want a rookie putting a waterproof seal on the top of a building?

Building dept. for Unincorporated Arapahoe County is apparently overwhelmed and understaffed.

Pull a building permit.

Personally, even with interest rate uncertainty and election year hysteria, I am building a stronger and stronger conviction around the fact that I need to get a little more aggressive in acquiring more income properties.   

House hacking, especially in a high-demand area like the Portland metro area, can be an excellent strategy for building wealth and creating passive income.

For example, if you are told, "we can refinance you for up to 75% LTV" to realistically expect approximately 5% less until you have experience and establish a relationship with your lenders. 2.)

I will have one apt from time to time with a Section 8 person but I would never operate a Section 8 building.

You can spend more time reviewing the details in IRS Pub 946, How To Depreciate Property....This post does not create a CPA-client relationship.