Anyone could suggest any tips, resources, or builders/contractors they had worked with?

If you discover one that sounds potentially relevant, and you have not explored it - see if you can still get hold of your accountant to ask.

Could be a national lender or a site that sells your info for solicitation. 

If only I knew where you could find such a resource...

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

It’s free and that is one way to get free listings.judical states also have to file a lawsuit and you can search civil suits or contact sheriffs offices to get the calendar and listing for foreclosurespaying for a site is all in one and maybe worth it compared to how much time you are spending searchjngif you stay in one area then I recommend what I mentioned  

I went to the site and submitted some info and it says "check your email for further steps."

The course work will teach you almost nothing relevant towards investing.  

Ensuring transparency and efficiency in managing owner resources is critical1.Clear Communication on Costs: Provide owners with detailed breakdowns of repair costs and explanations for necessary expenses.

As you narrow down your REI type, try to do the broad review approach to see if you have the resources to do that type or scale.