They seem to be a reputable company, but nothing beats personal testimonies!

You have a freelance job and you can qualify as REP I sharing this from my personal experience.

HELOCs are generally provided to properties that are held in the owner's personal name.Are your family members not interested in refinancing the property?

During the slow season, do you personally focus on getting more rentals, focus more on family/personal life, or do you do something else?

.: I’m looking at a property that checks all the boxes—good numbers and fits my buy box—but I haven’t seen it in person.

Haven’t used it personally but a good friend of mine who self manages around 20 doors uses it and swears by it. 

I have a salt water hot tub at my personal home.

What appears to be great "curb appeal" to one person might be overwhelming to another. 

Matt that is the NMLS number for the company not for you personally  sounds like your a VA or something not a licensed lender..

I also think most markets won't see anywhere close 6% cap rates (for single family homes which is what I personally invest in).The questions you get to ask are then:Is the extra 4% worth the hassle of management and lack of liquidity.