Guys take it for payment so it functions like a currency I guess.  

Either they choose to move out or you get paid for the “hassle factor”.

Also, if you're working with a local bank, theyre likely choosing not to originate  Conventional loans for investment properties and to only offer commercial loans that they hold on their balance sheet, which are subject to their own internal credit policies.

My preference is Single Family, although I currently own some mobile homes, some parks, and some small multi-family as well as notes on land and houses. 

I have my boat on the pea gravel area which is on the corner of my multi-family property.

. - We almost feel sorry for the foolish/naive DIY landlord that inevitably falls for their sob story and accepts them.We have had 2-3 that have gone through our process and so we accepted their multi-month payment.

I would suggest selling all as a package, many investors and people look to house hack are looking for Multi-Unit properties. 

The biggest thing you can do is build your CORE 4 which consists of getting a great realtor, contractor, property manger, and attorney wherever you choose to start investing.Let me know how I can help you get going

Properties also have specific risks depending on if they are industrial spaces, commercial buildings or multi-family units.

As mentioned earlier, I’d never expect appreciation and only go for cash flow on the multi family.