Even though you'd be getting into the deal with $0 down, you should still have enough cash (or availability to access cash) to cover the worst case scenario of a tenant who immediately stops paying after you close on the property and requires you to complete an eviction action against them.To your second question, I'm sure you've heard it before, but the 4 main ways you make money in real estate are cash flow, appreciation, debt paydown, and tax benefits/depreciation. 

Only when you know these things can you determine if its worth the renovation expenses and vacancies. 

Most private money terms I have seen are anywhere from 50-65% LTV Rates anywhere from 9.5-10.5% with little if any documentation required. 

I can see this being fruitful and less expensive than trying to mail out letters.

When you register for an account were you required to have a postal form notarized?

There are lenders that will allow up to 85% financing on an investment property and 90% on a second home purchase assuming applicant meets program requirements. 

So i was thinking I could AirBNB the property on the weekdays while living in it on the weekends to fill the requirements.

Fannie Mae's guidelines verbatim are as follows:Must be occupied by the borrower for some portion of the yearMust be suitable for year round occupancyBorrower must have exclusive control over the propertyMust not be rental property or a timeshare arrangement (this has the following disclaimer in the guidelines:  If the lender identifies rental income from the property, the loan is eligible for delivery as a second home as long as the income is not used for qualifying purposes, and all other requirements for second homes are met (including the occupancy requirement above).Cannot be subject to any agreements that give a management firm control over the OCCUPANCY of the propertyThis means that as long as you intend to occupy the property some portion of the year, you could absolutely rent it while you are not using it. 

It is also important to verify that connections to the posts are adequate for the required loading as member failure is not a catastrophic as connection failure. 

Even if its cutting the warranty off, sticking to manufacture warranties, and saving the cash to pay for expenses when they come up.