I have always just figured the costs and income in my head and left plenty of room for error.

Ps: @Wayne Brooks, my oldest step daughter is headed home from West Palm Beach today!  

Unless a customer maintains substantial deposits, nearly every commercial bank charges fees to customers to open checking accounts. 

Right off the top of my head ... 

So you would have to substantially below that maybe a 15 cap at 230k.  

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

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)?

Such acts and omissions include, but are not limited to, the following:(1) Manufacture, cultivation, importation, transportation, possession, furnishing, administering, or use of illegal drugs in the dwelling unit or in the common areas.(2) Illegal use, manufacture, importation, possession, furnishing, or discharging of a firearm or firearm ammunition on the premises of the rental property, except for the use or discharge of a firearm or firearm ammunition in cases of self-defense, defense of a third party, or as permissible in Section 13A-3-23.(3) Criminal assault of a tenant or guest on the premises of the rental property, except in cases of self-defense, defense of a third party, or as permissible in Section 13A-3-23.(4) Any breach involving substantially the same acts or omissions as a breach for which a notice to terminate has previously been provided for by the landlord and cured by the tenant, if the second breach occurs within six months of the first breach.

. :-)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.