Part of the reason I want to flip is A) make something functional and useful again and B) use the artistic side of my brain to create beauty.

My low-level intellect can't seem to function on your level.

I would make a separate entity if the function/assets of the business are different than that of your current entity

Use caution as an anything not functioning or highlighted for repair will need to be disclosed. 

A number of people have asked this and if you use the search function, you can see replies to those posts. 

I can quickly create bank accounts for each property, the categories for tagging your transactions align perfectly with your Schedule E for taxes and I can do all of my tenant related functions like tenant vetting, lease creation and collecting deposits and rents.

I don't understand how so many miss the most basic function of STR that it is Hospitality, and ignore the very simple, long founded and known principles of such.

I know cost is a factor but think about overall functionality and does it do the 7-10 things you really need? 

While many will also create LLCs or other entities and perform other services, that is not their core function.

It’s a variable rate but the nice thing about using a Heloc is you can use it multiple times as it functions like revolving credit, ie similar to a credit card.