Then the remaining $350/mo (10%) is my discretionary budget.Any comments or advice is appreciated.

If the property is then forced into a foreclosure auction, the first mortgage would be paid off, then any senior liens get paid, and then the lien that was assigned to you would be paid (in full) -if there is enough equity in the property, or you could win the property at auction for just what remains on the mortgage and senior liens.  

Currently I am in the process of paying remaining $1500000 that might take years.

A defaulting bidder at any sale or resale or any defaulting upset bidder is liable on his bid, and in case a resale is had because of such default, he shall remain liable to the extent that the final sale price is less than his bid plus all the costs of the resale.

If I am paying money to be on a site that is not fully accurate or up to date I would like to not remain on it. 

As of today, that house was the first and remains the only property with both an ADU and a JADU in my area.If I were to apply for a HELOC, would that $1.15 million dollar property be the only objective comp that can be used to determine my property's value?

I have a white pages subscription where I plan to obtain the remaining phone numbers right after I finish this post.

So many have been pushed from their homes in these areas and some are now retirees having to leave their homes because same situation...taxes so my heart is wanting to find a way to help someone remain in the area they have always called "home".

I think as long as job and population growth continue, Vegas should remain near the top of the price gain list for a while.  

In this example, I have a property with:$40,000 remaining on 1st lien with 10-years remaining of a 30-yr mortgage$75,000 agreed purchase price$35,000 differenceSo, I assume debt service on the 1st lien, but would I then make the set payment for the remainder of the note period?