Those on the lower end of the income scale are more affected by inflation, and companies like dollar stores that cater to them have had a harder time growing sales. 

If you aren't discipline enough to learn this on your own, the road to getting your real estate license will force you to learn them.

They get a yearly depreciation deduction on their taxes for the house and may have nearly depreciated it to $0.

I want to stay in my house without bringing on any tenants.Thank you! 

Remember, it is not Bigger Pocket's job to vett all of the claims on Bigger Pockets.

I am a lender in Baltimore and live here as well, just curios, what street was this on?

any suggestions about courses/mentors/coaches on this topic? 

The potential issues can be a large list depending on the jurisdiction.Good luck

They say you should focus on one market and get to know it in and out.

We just offered on a house with all contingencies waived and after the depositing the initial deposit we realize they are counting 300 sqft of completely unfinished room with no ceiling hvac huge  unit in it and with all sorts of pipes taking floor space and ceiling space as a room of 300 sq ft.This is misrepresentation as it makes the house so much smaller in the basement and we are already paying above asking by 50K.