To make taxes easier we set up a business checking account and had all the rent paid into that account and all the expenses paid out of that account.

I lived for free for a couple years, while collecting rent checks. 

Have a way to double checking their information they give you on the application.  

If the insurance isn't done properly, it's on the edge of impossible to cash the check because it's made out to the lender, my company, and the seller(s). 

Quote from @Joshua Alcantara: Quote from @Peter Walther: I've found many properties with title issues wind up with unpaid property taxes so checking on delinquent taxes, tax deed sales and lands available for taxes might help you identify some.Thanks, Peter, for the info!

My approach is to take a few minutes per quarter and make sure it is accurate by manually checking my true competition and adjustmenting prices accordingly. 

Check out Furnished Finder, Airbnb and VRBO (30+ day stays) to get a good idea of what else is out there in the area of El Paso you are looking in.

Have you checked the BizBuySell website?

The right agent will have worked with Canadians before, will have lenders set up that can work with Canadians and will have a seamless process for management.Not only can an agent set you up with a GC, property manager, lawyer, insurance broker, inspector and everything else you need, they can analyze deals and put numbers in front of you.Your job as an investor is to vet the vendors they are providing and double check their analysis.  

You do not need separate checking accounts for each property if the ownership is the same.