If you do have to move because of a job, you would be safest (in my opinion, i am not giving legal advice or financial advice), i would sell that property to ensure that you did not just purchase with the goal of moving out early and taking advantage of lower rates and lower down payments for purchasing your home as a primary residence. 

I took out a mortgage on the property in November to help make repairs and rent it out.

Do the math and see if an ADU is worth the cost and effort.https://www.biggerpockets.com/blog/rental-property-cash-flow... 

Quote from @Patrick Roberts: Angel oak and A&D mortgage are two of the bigger lenders that I know of who will do 2nd's on investment properties as of a few months ago.

@Cole Starin sometimes it makes sense to sell the WORST property in your portfolio.Another option is why do a LOC on the duplex, when you could just do a $100k cashout refi to pay off all your debt AND keep the property?

What type of property? 

The fear of renting while out of town is common, but it's easy to overcome, especially when you have friends and a handyman.

Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

@Travis Boyd, 19 of my MTRs are in multifamily properties.

I came across a question for our Rookie Reply podcast episode asking about property management software.