I am seeking recommendations for an app that can integrate with multiple platforms.

Your best bet is in the midwest or southeast.

Pick a screening platform/application that makes sense for you.As for meeting the applicants, I recommend meeting them at the property to show the place to them rather than getting coffee or food with them.

Just like doubling down on a bet you could lose it all. 

This options seems to be your best bet considering all other factors.

Are there any key resources, platforms, or strategies you’d recommend for a beginner? 

I've been on this platform for many years and, over the years, I've seen new members linked or part to Mexican real estate agencies posting educational content about investing in Mexico out of the blue shortly after becoming new members and then disappear as they realized that their efforts wasn't giving them the amount of business they were hoping for.

@Ashish Gambhir, Congrats for getting onto the BP platform for information. 

I found my laundromat on BizBuySell, and I sold it through that site as well.I still absolutely think it’s worth networking with business brokers and doing direct outreach to business owners, but you don’t need to take listing sites off the table.If you’re sending out a lot of outreach messages on listing sites and you’re not hearing anything back, it may have more to do with you than the platform.

I am going to create a different post about what the tax experts on my tax platform said and ask for feedback.