@Jordan Mummau, Sec 1031 doesn't care what type of mortgage it is. 

I am a licensed real estate broker as well as an insurance broker, I deal with all of these every day.I hope I helped clear the air for everyone.

@Gabriel Jordan I helped a client of mine do that earlier this year.

., dust in the air, possible damage to tenant's belongings, tenants hovering over repair guys...). 

Crime is only an issue in the inner city - which of course is 1000% of the cheap deals, the majority of Milwaukee is at least fine.New style duplexes (1960s) are generally easier and less expensive to work on; the basement is made of cinderblock, you have drain tile and a sump pump, modern style electrical and plumbing systems, forced air with AC instead of radiant boiler heat, more closet space and bigger bedrooms/open-er concept.

@Jordan AtkinI didn’t, but that’s definitely an option I need to look more into.

Friendly people, but not too many of themClean air & waterLow cost of livingCons:Finding good produce can be challengingTicksNo beaches (lakes are not the same thing)Low rents Hubby and I specialize in SFRs in our small town.

@Jordan Deeney Hey, thanks so much for your answer, yeah that was really helpful. 

Below is the breakdown:Air Conditioners Unit 1 - 14.5 Years Old (Life Expectancy - 20 to 25 Years)Unit 2 - 21 Years Old (Life Expectancy - 20 to 25 Years)Unit 3 - 27 Years Old (Life Expectancy - 20 to 25 Years)Unit 4 - 19 Years Old (Life Expectancy - 20 to 25 Years)Heating Systems (Forced Hot Air Heat)Unit 1 - 13.5 Years Old (Life Expectancy - 20 to 25 Years)Unit 2 - 12 Years Old (Life Expectancy - 20 to 25 Years)Unit 3 - 15.5 Years Old (Life Expectancy - 20 to 25 Years)Unit 4 - 12 Years Old (Life Expectancy - 20 to 25 Years)We knew the systems were old before our original offer at $200K (but not exactly sure how old).  

Another idea, I had in mind was getting a SFH and renting out a room, or using AIR BnB to help pay for the mortgage.