As far as I understand, banks usually start the bidding at the judgement amount owed. 

Understanding what hasn't worked can be just as valuable as learning what has.How do you nurture and maintain relationships with leads to ensure a higher conversion rate?

If you are treating your STR as a business, I have a hard time understanding why more people don't allow this.

If they burned a landlord before, they will burn one again.Be kind, be understanding but be firm.

I understand there is decent cost associated with cost segregation study and having a reliable CPA who can help us with the process.

The reason being I see a lot of people again just looking at one specific number and not understanding everything behind it.

You'll be up against agents who negotiate for living who understand contracts and contingencies inside and out.Totally doable for sale by owner.

Moreover, if you haven't already, read "Long-Distance Real Estate Investing" by David Greene to understand the concept of developing your core four. 

@Benjamin P. it's true what @Bob Stevens had to say, but totally understand that if you are working on limited capital then you have to start somewhere.

Ensure you thoroughly understand the terms and conditions of any HELOC you consider, as investment properties often have many different requirements than primary residences.Don't forget to look at other funding options and compare them against a HELOC.