Which may not seem like much different but when you move to larger properties it can be a $5-7,000 difference which starts cutting into profits.

It wouldn't be that hard to get rid of them if you hadn't bought in NYC.....I know, your choice, just sayin'......

Wanted to make sure this was not something out of the ordinary that was a symptom of a larger problem.

Regardless of your choice, just remember that fear is part of the game and it's normal to have it but never let it consume you when the I's are dotted and T's are crossed, sometimes the only way is through so take courage and go on your way!

I am considering the possibility of selling 4 duplexes in 4-6 months and looking in to something larger.

If you’re currently living in a bad school district and want your kids in a better school district or some other safety / life choice, you may need to compete in this market.

My problem with larger MF is the initial cost.

Stick to fundamental buy-and-hold real estate...noting glamorous or fancy...If you have safe, clean, and appropriately priced units...focus on C-class value add, and maybe consider working with the local housing authority to accept housing choice vouchers, you will have long-term occupancy, debt paydown, and equity build for life.Investing is relative, and I doubt your main motivation to invest in RE is to contribute to the list of "25 fastest growing cities in the US"Best of luck

Spend a lot of time getting to know the neighborhoods in your market of choice. 

You don't have to seek an attorney's professional opinion, but they becomes an essential piece to your team moving forward the larger your portfolio gets.