We found this home through a combination of online tools and personal exploration in the area.

If you have never done this as a full time business I will throw caution to the wind it is not as easy or as profitable as online forums make it out to be, and if you need money for living this probably is not going to sustain your lifestyle for the first several years. 

The other half of the accounting records is coming from online purchases, utility payments, etc etc where they are sending you an email. 

For building a buyers list, I’d recommend joining local real estate investment groups, both in person and online.

The area is loaded with men on 1-2 year contracts who have homes some where else and they just need 1-2 years of safe, clean, comfortable housing and the only other option is seedy hotels.  

To find a home inspector, you can look online via homeadvisor or thumbtack. 

A difficult, but safe approach is to pay for a 6 or 12 month option to purchase the office building.  

If that's the case and you aren't viewing more properties in person than you are making spreadsheets on, you are destined for analysis paralysis.Spreadsheets can only tell you estimations based on numbers given to you online or by a real estate agent whose job is to sell the property.

In September, I found a property I was interested in acquiring online.

The difference is night and day between using someone you find online or in a search vs a personal referral.