Saving, buying, and investing are pretty difficult on a teacher's salary, so I'm hoping to learn from the wealth of knowledge here.

However, this is a difficult qualification to meet, especially if you have a full-time job outside of real estate.Don’t worry if you aren’t able to qualify for REPS status, because there is another strategy that is referred to as a “loophole”, which is the STR strategy.Per Section 1.469-1T(e)(3)(ii)(A): there are six exceptions where your rental property income is not automatically considered to be “rental activity” and thus may unlock the door for being able to offset these losses against your active income.The average customer use is seven days or less.The average customer use is 30 days or less and significant personal services were provided (for example, daily housekeeping).Extraordinary personal services are provided, regardless of the duration of customer use.The rental is incidental to a non-rental activity.The property is available during defined business hours for non-exclusive use by various customers.The property is used in an activity conducted by an S Corporation, partnership or joint venture in which the taxpayer holds an interest.If your property qualifies by meeting one of the exceptions above, the next step is to demonstrate material participation in the rental activity.

That can be difficult in Columbus, OH and you'll need to find the deals off market.

Thus if someone is say a medical doctor, they may want to shield (or at least make it difficult) for outside liability if they were to be sued personally in their day job or elsewhere. 

After experiencing first hand how difficult it is to handle lower tier neighborhood sales, why even consider renovating the remaining properties? 

it's really difficult to rent a timeshare, i'm not gonna lie, some resorts sells you nothing but lies, telling you that when you get tired of the timeshare, or when you cannot pay it anymore they will help you to rent it, but it never happens :/in my experience, i just can give you a good advice and it's trying to rent it by your own, but in case you are looking to hire someone specialized, just make sure that they're not going to scam you asking for upfront payments!

It can be very difficult to understand the Pittsburgh market as rents and values can swing wildly within a few blocks. 

With 2.4 Million members it was becoming increasingly difficult to connect with people and the first people the community wanted to be connected with in a simple and easy way were investor-friendly agents.

It's definitely more difficult to refi in Portugal, but it is possible.

Which is why it is difficult to find even 1% rule SFRs in a lot of areas right now.