He seemed willing to do whatever to get the unit, putting up all the money for a year and extra security deposit, but he did sound a little "car salesman" so that didn't work in his favor.  

I never applied for a Unit that big and was wondering if I should try to get a loan (even though I don't get much income right now). and if how what is the process, is there a way to get the loan without putting money down, etc. the only reason I am asking this is I have no experience in this and it practically me jumping from one house to a 14-unit and am trying to figure out if this is a right move. 

The structure has been we are loaned the money at 0% but the lender is getting a big chunk of equity.

All work, no pay.If you want to make money, stop trying to chase get-rich-quick schemes or working with shady businesses.

You need to budget for this by setting aside money when you receive rent.

While we've had a fair number of clients pull off the full BRRRR and getting all of their money out, it's far more likely you're leaving $5k-$10k in the deal.I think that's pretty reasonable given you're out of state and not doing much to manage the process.

I ended up with more coverage and saved a ton of money.

I’m unsure if changing out the filter is required even if next people don’t want to spend money on replacing the filters. 

If you want to get a great agent, you want to be able to tell them that you are pre-approved (and for how much, for single- or multi-family), have confirmed hard money if you are going to flip, and how much savings you have.

Other family will typically step in and help you out.If you've got the money to buy, just find an older adult in your family, and make the pitch, "Hey, I'm looking to invest in real estate...