(We switched to commercial financing when we ran out of loan slots with Fannie Mae.)  

But higher tax rate in PG county. 

Answer sure.. have to check if there is a due on sale clause or if you have a PG to the orignal seller.. that mortgage stays in your name unless there is a formal assumption  Maybe the example is more challenging for a house as the property.Ex. with vacant land - seller finances to me $20k with 5% down and $1k/moCan I after 1-2 months, then resell the land to a cash buyer for $25k, pay off the original $20k and pocket the $5k?

If I was looking in PG County, I think Hyattsville and College Park would be my main targets.

And ready to read 20 1000 pg books on the subject. 

I'm interested in multi-family investment and want to buy a residential multi-family (2-4 units) to live in one unit.Ideally in Montgomery County as I live in Rockville (or PG county/Baltimore)

Having watched many prior co-workers get paid, cash their check at the casino, and promptly deposit it all into a slot machine I can tell you with pretty good certainty that casinos don't have a positive effect on disposable income and good use of the existing income in the area surrounding :)Are there solid local employers OTHER than the casino in a 15-minute drive? 

Areas in PG County Maryland or West Virginia, for example, might offer better opportunities for cash flow with a smaller down payment.That said, if you’re willing to hold long-term, Northern VA can be a fantastic place to invest.

An example may be:- Rear yard: Minimum 5 feet distance- Side yard: Minimum 5 feet distanceHere is a screenshot of the most recent Unified Development Ordinance (UDO) which outlines setback requirements (pg. 48)ODU Click Here to View4.

The right idea is going to be the bread and butter.1) Ideal location2) Quality properties over quantity of properties3) 1.25x DSCR4) Intention to hold no less than 8, but ideally 12+ years.5) Sufficient cap reserves6) Mechanisms to enhance cash flow(via alt investing or house strategies).7) Liability protection through no PG loans(if possible), LLC formation, property management and being a diligent landlord.8) Invest deeper, before wider.Now if you're talking where to invest, different information.