Also, some banks I've talked to require 30% of the balance to be held in their account.

It required MAJOR renovating which cost quite a lot of money.

There are some things that can cause issues with your upfront approval or end up causing a denial in or during underwriting that an unexperienced loan officer will not know or catch.One big thing to keep in mind is when you are buying more REI the guide lines require more assets and PITI reserves and a HELOC can "Never" act as an asset or PITI reserves.

Does anyone know if you can refinance a NACA loan after a year without having to pay the 25k lien put on the property and also doe that release you from the occupancy requirement?

I require my tenants to provide a 30-day notice regardless if they are terminating during or after the initial lease term.  

Read the contract details, especially fees, eviction coverage, and maintenance info.

If the water bill is $100 a month, increase the price by 20% (or whatever you decide is fair) to compensate you for the time required to split and bill and to cover additional use when tenants squander the utility.

Did Wells Fargo require you to provide any local address?

To see how you are with being a landlord again, then gradually scale from there. with the remaining cash on hand, you always have the option to pay it off whenever you'd like or keep it on hand for any repairs/ maintenance that comes with being a landlord.  

The best cash flow is usually in D+ areas where the buy price to rent price looks great, but that comes with deferred maintenance and tenant issues a lot of the time.