FHA also allows some flexibility with grants and assistance programs, which could help with closing costs or down payment.

near 0% and 0% options with DPA's exist (down payment assistance) programs.

However, based on their website, they do offer competitive programs for fix-and-flip investors.

The rumblings of the NYC to Scranton Amtrak line seem more realistic than ever before with big funding from various state and federal programs. 

In the case of a single family home house hack, say a single level ranch with a daylight basement - it lives and functions kind of like an up-down duplex, but the zoning and property type is 1 unit SFR.

If you do not own a home yet and you do not have a ton of cash you can always use a DPA - Down Payment Program.

Guys take it for payment so it functions like a currency I guess.  

This market is not always available in the MLS, so making it more difficult.A commercial lending is possible even with SFH, that will depend on your lender and the access to commercial programs, it will all depend on the situation.  

We require all inside animals (cats & dogs) be on a flea & tick preventative program.

The screening process is crucial because tenant quality can vary widely, even under the Section 8 program.