This is also gonna depend on how strong the buyer is financially if its even possible for them to pay the difference.If you get multiple offers on a sale in the future and the price goes over asking, make sure the offer includes some type of language waiving a portion or all of the appraisal gap.If you tried to fight the appraisal already and didn't get anywhere, you don't really have much recourse.

Creative FinancingFinancing can be a challenge in tough economies, but several creative strategies can make deals work: Seller Financing: Negotiate with the seller to finance part or all of the deal, reducing the need for traditional loans.

I found it best if they were a friend or relative to approach them with when it is time to decide what your going to do with the real estate I would suggest that one, or all of you keeps it.

Most or all other factors are ignored. 

3) If I were to create a rental agreement essentially leasing my Home office space to any or all of these LLCs, can each of these LLC's have a separate Rental agreement with same residence ?

The rock starts do any of the following by time blocking with dedicated time to any or all of the following:- door knocking- cold calling- open houses- following up^ That is a very basic, broad view, as you can narrow the above down tremendously.

Investment StrategyHouse Hacking in Las Vegas: Continue with the house hacking strategy in Las Vegas, as it allows you to live in one unit and rent out the others to cover a portion or all of your housing expenses.

When has there ever been a time that wasn't any or all of those things? 

So either your credit doesn't meet their muster or your income is inadequate for their metrics.That said, if you try to get some sort of private funding, you may be facing these same hurdles.The solution is to figure out the "why" of being refused a mortgage and then see if you can fix it.In my opinion, $10k is about the right amount to hold for reserves if you're buying a property, so save up some more.

Percentage of tenants that cause damages or leave the place dirty to cause them to not get back some or all of their deposit?