Quote from @Octavio N Morales: Hello everyone, I have a couple of properties all in my home city; Laredo Texas.  

But things like 1 or 2 story or basement or crawl will also boost that up/down a bit as well.

IN NEED OF A BOOST: 5 neighborhoods that could benefit from opportunity zonesSchultz, the attorney with Snell & Wilmer, said, "This is supposed to help distressed communities based on the Census data.

Here is what I found: According to state laws (Civil Code § 1941.1 and § 1941.3), at minimum every rental must have:-effective waterproofing and weather protection of roof and exterior walls, including unbroken windows and doors-functioning plumbing, heating, and electrical facilities, including hot and cold running water and a working toilet and kitchen sink-clean and sanitary building and grounds (that is, free of debris, filth, rubbish, garbage, rodents, and vermin), with adequate trash receptacles-well-maintained floors, stairways, and railings-deadbolt locks on certain doors and windows-no lead paint hazards, and-no nuisances, a catchall provision referring to something that is dangerous to human life, detrimental to health, or morally offensive and obnoxious, such as allowing drug dealing on the premises.If I were you I would take LOTS of pictures and document everything.

and let's be very clear: a successful BRRRR gets you a big equity boost. 

@Jacob Zivanovich other than an ego boost, NOTHING GOOD COMES FROM TENANTS KNOWING YOU ARE THE OWNER!

You only get so much time boosted as new, so no need to waste it when it's not ready.  

We had an awesome lineup of industry leaders like Daymond John, Pace Morby, Michael Sjogren, Bill Faeth, Shawn Meaike, and more sharing their top insights.The event was packed with practical tips on branding, marketing, and revenue management that you can apply right away to boost your STR business.

Occasionally, you may find an ancillary income stream {parking, laundry} included in that number to boost it even further.In reality, your effective gross revenue will be the scheduled rent minus vacancy.  

Your only risk with him not paying is the friendship if you have to foreclose, or the moral dilemma it puts you in.