If there is a violation of a local noise ordinance, the cops could get involved and that would act as evidence - I would think.

Typically the excuses that are given are the same, 1) Property Tax Increases 2) Insurance Premium Increases 3) Adverse local market conditions.

Call some local HVAC/Mechanical companies and ask what the average cost would be for this upgrade! 

You'll have a slight disadvantage compared to the local population, but nothing that should crush you.

Definitely stay away from the guru/seminars crowd and stick with the organic communities like BP and local free meetups.

 I am looking for any local investor's, property managers, and agents  down in SC.

Definitely recommend checking out local REI meetups in Boston now and Chicago later—tons of value in connecting with local investors.

Doable if you lean on local boots-on-the-ground (realtors, PMs) and avoid another Cahokia overprice trap.

Wrapping 3 properties into one blanket loan shouldn't be a problem, save these are sitting on any sizeable acreage.You might get lucky and find a unicorn local bank or credit union that would consider that kind of leverage, but I would say overall, those terms are very unrealistic.Cheers!

I'm also from Brazil and I'm local to Stamford.