You should gain more appreciation, so it’s all a fine balance & you have to weight each and see what’s best for you. 

If they don't pay the balance it will follow them if you report it/ send it to collections and it will stay on their record until the settle it, no other landlord wants to see that, or an eviction!

You would need to pay back the lienholder the outstanding principal balance of your loan plus any associated fees (Prepayment, discharge, etc.)

Balancing Privacy and Profit: How do you ensure your privacy while maximizing your space for tenant occupation?

(owe $15,000) very low interestLive at parents rent free- $0 monthfurniture credit card- $2400/$6000 $150 a month. (0% interest)Discover card - $3369/$4000 $150 month ( 0% interest) Navy fed card- $2,700/$11,000 Navy fed card - $13,000/$16,000Around 5 other credit cards which have no balance on them.Assets:I own a 2014 BMW 550i which is worth around $15,000. 

@Cliff DurrettIn some instances the first will take a discount to give the second some money, but in this instance they are so underwater I don’t think the second will approve this as they are basically getting wiped, and they have much higher BPO’sAlso be aware the lender may satisfy the loan but not release the debt, meaning they will allow for short sale but then get a judgment to have the balance of Debt validated and still owed

Explain your situation to your creditors , ask for a 90 day moratorium on payments with the principal added to the loan balance and term extended 3 months.  

It is a difficult balance to be considerate of tenants but you have to be considerate of your bank account.

Despite the loan balance being relatively small at just over $100,000, the property's value has significantly appreciated to over $500,000.

in addition to paying the balance of the HELOC off, you will be servicing the debt each month as you go.