Is this rate was locked? 

I have no plans to keep my cash locked up in equity when I could be deploying it into new properties!  

I just locked in yesterday for a property and the lowest I could find was 3.99% without paying a crazy amount of discount points.

Alternatively, you might be able to add a lock to the attic access to make it accessible for maintenance but out of bounds for the tenants.  

Guests often look for those.Have also seen a recent study that says that 82% of guest prefer to stay in smart home enabled properties and that 60% are willing to pay more to stay at those so I'd recommend adding smart home devices (locks, thermostats, Roku TVs) and clearly market those in your listings.

As I was locking up the gate a home owner across the street came chasing his dog down.So I sat there talking to him about how long he'd been living there.

My biggest advice for you is to keep your ears open there are plenty of challenges out there and many ways to handle each you just need to think what is best for you.

I know people that have "personal" PayPal accounts that they sell things online with, and some of them have had trouble with PayPal unilaterally deciding that they are a scammer, locking their accounts, and then not responding to any questions.

House is for sale - gave clear instructions to not lock bottom ( no key ) .

The pricing of some of these wholesalers is NUTS so if you have any creative tips for snagging a good deal I'm all ears.