Tenant issues are more likely to arise and then you have the owner....many aren't qualified expertise wise or financially to weather the storm.

Understand that the cost to the investor is only the cash that's out of pocket. 

I recently watched a video on social media that mentioned the way he was buying properties and yielding the benefit of the sellers low interest rate is having the seller put the property in a trust and then purchasing the trust.

Buying a portfolio without experience just throws you in the deep end without the ability to learn and develop these things. 2.

I’m in the DMV area.

The tenant was paying rent to the previous owner but hasn't been paying rent for a while since the property was foreclosed and sold to the bank.

Valuing your time and understanding your limits and skills will make a big difference in the equity you build, the quality of the work and your sanity. 

I think it would appraise between 100k - 115k based off latest comps but it is a hard town to comp for. 

Also, off-market opportunities can be a great way to find deals that fit specific investment strategies.

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).