Credit scores are a reflection of someone's ability to learning and understanding the rules of the game and haveing the discipline to play by them.If you already have good credit, already pay everything on time (autopay), then increaseing your limits will probably help you the most, because it gets your utilization down, ideally under 10%.Higher hanging fruits are average credit and account age (just have to wait for that I guess) and inquiries, which are sometimes unavoidable as real estate investors.  

However, I can refute your ability to manage a truly quality deal, in essence your experience or lack thereof. 

How do you know what you're buying without the ability to see the inside let alone conduct inspections? 

The U.S. government has limited ability to provide emergency services to U.S. citizens in many areas of Mexico, as travel by U.S. government employees to certain areas is prohibited or restricted.

Primarily in Upstate NY and southern VT for now, but open to anywhere as I'll be using property management and I am confident in my networking abilities.

Do a search on county assessors site and with the city to determine empty lot plans/issues.  

Ability to create/find opportunities (off market deals, finding that diamond in the rough, exploring avenues where the rest of the crowd may be a few steps behind, having network of professionals who trust you and want to deal with you -- i.e. probate attorneys, CPA's, REO listing agents, wholesalers, etc.).  4.) 

Usually you're falling somewhere in the $150-$200 range, but you really need to understand this number and how to determine it.The market, in general, in Detroit is rapidly appreciating.

But I could no way have done it with out my wife's ability loyalty standing by me etc etc..

However, it's essential to determine whether they are reputable brokers.