I also listen to how people talk about the difficulty in scaling when investing primarily is single families.

Read this first:https://www.theatlantic.com/technology/archive/2019/01/men-peddling-secrets-getting-rich-amazon/578443/

Running water and sewers were a huge advancement in technology and human comfort.   

Quality pictures: With today’s technology, you do not need to hire a professional photographer unless you are appealing to the high-end executive rental market or you are competing with vacation rentals that will be using the same pictures over and over again.

Or by just attending networking events and talking directly with people.And better yet pick your spot you are interested in and go to work and learn from them directly.Having said that, I think if you're set on higher education, I think economics, accounting, marketing are all good areas to study.And to add an oddball suggestion, study anything in Information Technology.

I currently use cozy.co to accept rental applications but find some individuals do not like technology and also have issues with paying for the background and screening check online because they do not have a debit card or credit card.

But I can imagine the difficulty to determine what bank transaction is for what SMLLC.Same for Rents.

Technology can add convenience to our lives, but not everyone embraces it.

In a market like Illinois/Chicago where appreciation is pretty flat, how difficult is it to really get that appraisal without market tailwinds? 

@Tom Brickman I found difficulty in attaching LOC to my Ohio properties while living in out of state.