But we also have some great wins that returns are substantially higher than whats being talked about here but I would never publicize them as folks first would not believe it and second think it was not legal or something. 

non owner occupied may get taxed at a higher rate than owner occupied.

The more you pull out the higher the rate.

While your chances are higher if you have a mentor, your chances will also increase if you execute tips 1-4.

For instance, depending on your location insurance costs could be much much higher than indicated in the book, construction costs are a lot higher, etc. 

You can find higher ROI (on paper) here and probably in other cities…but the probability of actually collecting rent significantly decreases.

Lower end wines are losing favour to higher end wines despite lower end wines outpacing high end wines of volume growth.

I think you'll just generally have less competition, so your chances of landing a property are higher, but I'm not seeing any bargains due to seasonality like there used to be.

But it's also mildly higher maintenance. 

I could likely see many things from the TCJA being made permanent, mostly procedural items like the higher standard deduction and child tax credit (Plus eliminating exemptions).