I need help with this sub to deal ,should I do it ?

[Marvin Moore]

ok so I need help on making this deal work or even if this is a deal so basically I found someone who wants out of these property an was going to sale using a realtor but I told her I would give her 15k an take over her mortgage payments she is paying 1100month her pay off balance is 172000 with a 4.2 interest rate this arv of the property is about 22000 but i want to refinance an rent or do airbnb so im just not sure if i can refinance or is there anything eles I should do with this property? Also the property is in good shape just a lil out dated 3 bed room 2bath attached garage with a deck on the back