As both an investor and a mortgage broker who has personally used both options, I can say there are benefits to each.It ultimately comes down to comparing the two side by side based on your specific situation.

The are some specific limitations on SUVs and crossovers even if they're over 6000 pounds, so you should make sure the particular vehicle qualifies. 

I understand I cannot legally require them to respond, unless the notice specifically requires it, like for instance, a notice of entry, but it's making it difficult to manage the property, and I'm not sure how to proceed.

I also like having credit cards at the management level rather than a credit card per property.We can get into the weeds with this stuff but it all depends on your specific goals and how you're managing your properties.

Reason for asking is that I am trying to understand what a reasonable target rent per unit is for specific geographical areas. 

In general, what sources and heuristics do you use to determine if an area can support new construction in general, and in specific in GNO?

I can not name any reasons which are worth the extra effort of investing there compared to sticking to a specific USA market.

Specifically, I’m curious about the following:2/2 vs. 3/2 properties: Are there significant advantages to offering a 2/2?

It's all about building trust and relationships, and in the long run, that will pay off way more than just trying to squezze a specific deal.

There's a specific forum for House Hacking.You'll want to spend some time reading through there as it's a common topic.