@Fe Alexandra,I do my offers based on the seller's description of the property, but taken with a grain of salt. 

I am a newly licensed real estate agent in Salt Lake City Utah. 

Im negotiating with a seller here in salt lake that may be willing to sell subto, the mortgage is 1200 and they rent it for 1800,Im new so I dont have the experience to answer the nitty gritty questions, or work with their bank on due on sale clause issues, they also have a second lien from refinancing, the seller said they could take care of that, If anyone is interested in the property or has suggestions I would greatly appreciate it! 

Without more specifics, take that with a grain of salt. 

It can vary by market and property type, so take with a grain of salt. 

From my understanding, and I am not an expert so take this with a grain of salt, the equity in the property would be the difference between the appraised value and what you "owe" on the property. 

The Salt Lake Board of Realtors did a little mini study and found that actual home prices in Utah County were on average almost 10% off from Zillow.

However I will be moving to the Salt Lake City, Ogden area of Utah in a few months.

@Kerry Koroma I am new to REI, so take my advice with a grain of salt, but I have a few ideas. 

I do get that it's in his interest to say that so I take it with a grain of salt..