Right off the top of my head ... 

And to respond to @Travis Lloyd I think San Francisco offers equally colorful and highly counter intuitive market dynamics :)For instance, we also have those pesky non profit guys hanging around the courthouse and stepping in the last minute to pay a tenants rent just so they don't get evicted!  

You have an office w/ employees, you already have a head start on your team.  

Though the commercial-real-estate sector has a reputation for being slow to embrace new technology, several brokers and developers are hot on virtual-reality tours—to boost leasing and sales, especially to technology firms and tech-driven media and advertising companies: http://www.wsj.com/articles/the-office-space-in-your-head-1435541344

For instance, I like places such as Nashville Tennessee, Indianapolis (Indy) and Kansas City in terms of some of the things I see there (companies moving there, a thriving tech scene etc.). 

Let's use the 50% rule and get to $3,750Use the 1% rule and we get to a purchase price of $375,000 each.Now the simple multiplication of $375,000 X 4 = 1.5MSoooo, head ache and paint of 30 lower end (B/C class) tenants or 4 higher end tenants ($375K in DFW are very nice houses in good neighborhoods)?

Conversely you can buy a C type building where there is more cash flow but you are generally dealing with more issues ( older buildings, flakier tenants, more turnover ).If you live in the property you could rent out 3 and occupy the 4th unit using FHA and putting 3.5% down.If you are purchasing straight as an investment then 20% down is typical.Lenders typically look at annual income from your job or business, 401K, IRA, checking, savings, stocks, equity in property, etc.A high end area a quad might be 100k a door or more so 80k down for instance.    

For instance buying a 50k rental in the mid west may be small change to some so they say what the heck I don't need to see it I will shop just like I shop at Amazon and buy it basically on line.Others will spend much time and money checking it out.. flying there and making certain its for them.I do think one way to dial for dollars is to contact those that bundle it up for you IE turn key type companies.. and I think a lot of time can be saved by talking with a few reputable PM's in a given market.. they will for sure be able to tell you were the management intense areas are.. and one's that are easier for them to manage. ( Ie code for quality of tenant) 

White you are admittedly in over your head.

. :-)Also, if you get a negative inspection that you don't agree with, you can always attempt to override it by going over the inspector's head to whoever's in charge of the building dept.