A couple of mine are in Mesa, one in Florence, and I just added one in Arizona City. 

You can probably beat $2000/year insurance, but the management fee should be 10%, you need to factor in turnover too and 5% is probably not enough for both maintenance and turnover and I assume you added it, but you didn't mention property taxes (which have been terrible in Jackson County lately since Frank White decided to jack them through the roof). 

Consider a HELOC for value-added BRRRRs or flips if you have a low interest rate.

This means you essentially have to save buyers 3x(5k-10k) = $15k to $30k through negotiating, finding the best deals, adding value with your property management or contractor contacts, etc.Lawyers use flat fee, hourly, and contingency pay structures primarily. 

In New Jersey, there are numerous brokerages to chose from, and I highly suggest you do a google search and look into 100% virtual real estate brokerages in New Jersey. 

So I'm guessing I can get a DSCR loan; my basic googling shows that they cost around $10k to close; which seems very high for my strategy; considering I'd be holding this for 2-3 months maximum.Getting HELOC seems another way, but I don't necessarily have that much equity that I can tap into.

In some cases, it might even mean you can buy your next house all cash.Financing Home ImprovementsThinking about upgrading your kitchen, adding a home office, or tackling other projects?

I would google commercial real state firms in the areas you are looking for. 

If you have extra cash, payoff the initial mortgage without adding more loans.

If you want to know what I coach or my program, a simple Google search will provide the information.