If this deal can't withstand and extra $800 to make sure you're okay legally, it's no deal.I'm assuming you've done the title search, etc. already?

If I tell you I think that there are strong markets for new fourplex units (build time not withstanding) that cash flow ~ 10% and the market is one of the top value / growth plays right now, and the fourplex will come from with a well respected property management company, would you be interested?  

It is apparent that I have little experience in this particular field but from my brief reading on the topic, when a person goes to a nursing home, the nursing home will first exhaust that person's income, then their savings, before putting them on a Medicare payment program.

Do NOT pay for any training until you have totally exhausted everything Bigger Pockets has to offer.  

If you do not feel comfortable with a "cocktail napkin" arrangement like I had then you should probably seek legal counsel to draw up something that will withstand the scrutiny of litigation. 

Once you get under contract you can check for due diligence and others might want to sell as well.The owner if they have exhausted depreciation might want to owner finance to pay gains in small annual pieces.

Once you have an FHA loan you are not allowed to have another FHA loan unless relocating a great distance for work.Now that you have exhausted your Low Down Payment Options (Portfolio Conventional and FHA Conventional and FHA) you will need to use a Standard Conventional Loan and put 20% down to get your 3rd Duplex.The sky is the limit...you could continue to buy properties and build an empire or just stop there and enjoy more free time...I have friend who quit his job and just manages his properties now.Keep in mind that this 4 step process I outlined takes time (anywhere from 1 to 10yrs depending on the person) so keep the big picture in mind but don't let it stress you out too much.

There's lots of good advice out there, so this little list isn't exhaustive.  1.  

Water is tight in AZ, reclaimed purple pipes for parks, low maintenance yards kinda thing, and flooding during the infrequent storm can be an issue since, AZ is really NOT engineered to withstand heavy rains.

@Cody Gentry  You need to exhaust all of your FREE advertising and lead generation before you worry about creating a marketing budget.