If you meet that requirement, I highly recommend it. 

That would probably require a professional. 

My advice is to require them to pay the full balance upon the next payment.

Make sure to get legal advice on what you can and can’t do for bill back and what kind of notice period is required in your state. 

Most commercial lenders do not require any seasoning for that entity which means that you can create an LLC and use that entity to purchase the property immediately as long as you have the proper documents.

Our company requires first/last name and a mailing address for the owner.

They/you can't choose the carrier - their software assigns it.Fortegra is one of the carriers (paper in insurance parlance) that their product is written on.That said, Fortegra is A- rated I believe by AM Best so that isn't the issue.I'm going to take a guess and say that your umbrella is written with PersonalUmbrella.com (Markel) and they require all underlying insurance to be A-rated but also with an admitted carrier. 

I have two options 6.625% 30 year or 6.15% 15 yearI want to invest aggressively in the near future on more propertiesThe loan is only $110k and the monthly payment for 15 year is $563 and $750I will earn 2-3k a month in gross rental revenueThe property is in a declining population areaRecently rennovated, and all major things were relatively recently improved such as plumbing, the roof, a/c, electric, etc.Will require a lot of management as it is rent by the room so I may switch to a normal rental after 10 yearsI'm trying to find what will mathematically net me the most money in the long run.

Lower Start-Up CostsTraditional real estate investing requires 20%-25% down, making it difficult for many to scale quickly.

In rural Idaho, it is much the same way. the counties have minimum requirements and if you keep things on the up and up, it should be fine.Now, in a historical district, that is a different animal all together.