You should establish policies that discourage fraudulent claims, of which there are many, and ensure you are only accepting truly disabled people and not someone abusing the law to sneak in their pet.If you have an established, written policy, you can simply respond by emailing them a copy.

Yes you can do this typically a commercial lender or private lender is how this is done assuming it’s not your own cash

Their reports are an excellent tool to include in your presentations to lenders, private capital investors, partners etc.

Let me know and I can email you or a quick phone call.

If you're living in one unit then your rent roll is really just whatever the other 3 units will provide, are you planning to stay in that one unit, or move to a private residence/next investment once the rehab is complete?

In conjunction with your own searches, network with a local agent (you can probably find someone on BP) by e-mailing them or taking them for coffee. 

Say I use a private lender and he gives me the money to pay for a property with cash. 

Many Private Lenders are offering the initial costs can add to your primary loan but it is usually for one year but might be a good solution. 

They emailed us and asked us to terminate the lease early and move out between December 18 and January 2nd. 

(I have about 3k liquid cash, and a 10k Roth IRA, no debts, monthly expense to income ratio of ~.31)I can either go the slow route, get a W2 job, get some decent W2 income, save as much as possible and continue learning for the next year before 'starting' or, I can seek private lenders to accelerate this plan.