Compliance with Dodd Frank and the Consumer Finance Protection Bureau may make your concept very difficult to make functional.  

It is also very time consuming to cold-call, cold-text, and do mailers.

The short term rentals such as air bnb can be time consuming having different renters each week or day.

it takes cash and consumes cash.yes, the deal i sold would be a flip. 

The consumer side is heavily regulated and it is definitely a no-no to submit directly without going through the broker, but "commercial loans" are not as heavily regulated.

For over 20 years in 3 different down cycles I've experienced, consumers start buying again when the News Media changes their messaging. 

Consumer Product Safety Commission.

Moreover, the professionals often avoid explaining complex concepts quickly because it can lead to a cascade of further questions, which can be time-consuming.

Yes, additional expenses for MTRs include utilities, wifi, landscaping, consumable supplies you provide for your tenants, additional insurance needed for a furnished home, and if you are hiring anyone to help with the property if you aren't self managing.

Carrying the entire workload can be challenging and time-consuming.