In the first 10 days listed on Airbnb, the STR rental revenue booked covered the entire mortgage.Lessons learned?

Cash-flow is for "keeping the lights on" as in covering operational expenses to defend against any need for additional capital investment. 

If you feel ambitious, you could try a BRRR strategy adding additional equity to the subject home and then taking equity out of it to pay off either the HELOC or if you decided to the refinance the primary residence. 

If your property manager is not listed as an additional insured, they may not be covered under your policy in the event of an incident on your property, leaving both of you potentially exposed to liability.It can save you money.If your property manager is not added to your insurance policy as an additional insured, they may be forced to purchase their insurance policy to protect themselves.

I would look at it in terms of whether you can afford a worst case scenario where you're covering the deductible and have a credit line or cash to front the re-build cost and getting reimbursed from insurance afterwards.

By adopting the house-hacking method—living in one unit while renting out the others—we plan for the tenants to cover the mortgage and gain valuable property management experience.

Yes you have insurance, but it may not cover everything.

If you want out of the deal, 6% interest isn’t even enough to cover inflation, we deserve way more interest for use of our funds and the profits Werner Mercado is making at our expense.  

I plan on being on the road here for work in the next day or two and wanted to try and make sure I have everything covered before I leave.

Related damages:When tenant took possession, the living room had a vertical blind set apx 70” long (covering two windows.)