You can use an amortization table to figure out about how much is left on the original loan based on how long the DOT has secured the property.     

Most 100% lenders will lend at 100% UP TO 70% ARV, which is tough to secure.

Any advice on how I go about securing financing for less than $100k?

You typically don't want to do any renovations before the 2 years is up...just basic safety and securing the property.#4. 

She only received social security income, no other income.1.

For investment properties you should be using private/hard money lenders, but if it's a primary or you have a long window of time to secure the financing then traditional may be the way.Overall, it should be easier to get approved via creative financing though as there are options and workarounds for nearly every scenario (they just may cost more the more creative you need to get).

It can also be a professional company that uses private money to do loans, and gets investors, as opposed to government secured loans.

a are a vacant house, the minute its mine I change out all locks and secure the premise.

I don't think you can use GoFundMe or Kickstarter to fund real estate investments (but I have never tried), and there are many securities laws you would need to be careful of if you went that route.Basically any asset you have a value is a way to gain access to the downpayment money.That being said, the question comes across that you are very new to real estate, specifically the various ways to finance deals.  

Congratulations on securing your first rental property—what an exciting milestone!