DOM nationwide isn't really terribly useful; in extreme situations we will already know the national economic situation.

In my experience, success in D-class areas almost always requires being local, extremely hands-on, and self-managing.

(Respectfully- Please don't tell me to save up and quit my job it's just not realistic for me and won't be anytime soon)If you read the threads on BP concerning wholesaling, you should be able to draw a few conclusions1. 99% of people trying wholesaling fail2.

The problem is mainly a concern for people with a net worth or reasonable income. 

I personally used Jon McGraw in the past and he is extremely knowledgeable in the field. 

Besides reading and listening to podcasts, my wife and I attend a local real estate investor meetup that has been extremely beneficial. 

That’s our concern about it penciling out on paper but the reality might be that it ends up costing us money.

People even do this in Vancouver though it must be extremely challenging.  

@Matt Wanyes but... is that actually your biggest concern? 

Verifying last 2 years of rental history and income extremely important to find the “best of the worst”.Make sure you understand the Class of properties you are looking at and the corresponding results to expect.