Even though you have time, I would question with minimal marketing budget what sort time would be needed. 

I would prefer MFH properties with minimal repairs or move in ready.

Minimize your risk of failure by building a reliable network of experienced individuals.

First off, I mentor investors all the time on how to buy with no money out of pocket which minimizes exposure and risk. 

We also added a laundry area inside the home for minimal cost but a huge draw for potential tenants.

@Mario Balistreri This seems like a ton of work for very minimal benefit.

We also added a laundry area inside the home for minimal cost but a huge draw for potential tenants.

As we intend to hold short term, the tax implications are minimal as this will be ordinary income for all involved.  

You would definitely see more refi's, pulling cash out and reinvesting, or more seller financing on deals with payments spread out over 10 years to minimize the tax hit.

You also need to make sure you understand all of the expenses that need to be considered along with the rental comps because those are the important factors needed to determine whether something is a good investment or not.Lastly, you can minimize your risk if you learn how to buy with no money out of pocket, put in a solid rehab and then refinance to cash out any money you may have potentially in the deal.