Also with the right insurance you can take guests off Airbnb if they'd like to extend their stay or come back in the future. 

I believe the most common path is to use cash, private, or hard money, and then to refi into something traditional once the work is done.Sorry I was 1% off.

If an investment property, there non-warrantable DSCR loan options.Some details:Loans available for purchase, rate and term refinance (no cash out) and cash-out refinanceCredits score down to 620LTV are up to 75% for purchase and 70% for cash out.Rate buydown feature available.DSCR (lower of gross rent lease or Form 1007/216 rent divided by PITIA) as low as 1.0x.For experienced investors (one year of investor experience and own home), short term rentals can be structured off of 12 month short term rental history with 20% expense factor.

I am new to this and off the rip I have two appointments scheduled.

I'm sure there are other strategies available and would greatly appreciate all insight others are using to pay off and reuse their HELOCs.

It's a little off the beaten path so it's not going to be a fit for a national retailer. 

I stumbled into my 1st deal when my parents' neighbors decided to move and preferred to sell off market.

If book keeping is not something you keep up with, then you are probably better off running all income and expense for the triplex through a separate account.

Although I have had experience in the past with smart locks that strictly run off internet connection with a FOB/smart device, that can get messy, and annoying quickly for everyone involved.

I also have access to off-market inventory in that area, as I am local in NC and would love to connect.