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Hi - a lot of people in your situation move from conventional to "DSCR Loans" for this exact reason - since its hard to scale meaningfully when needing a DTI ratio to qualify (one of the main benefits of DSCR is no DTI ratio in qualification).Check out this 10-part guide on all you need to know on DSCR Loans published on BP!

Check out Awning.com's AirBNB estimator - https://www.awning.com/airbnb-estimatorIt is free and can augment your data. 

Check you local Real Estate Club first.

But some people do.As an agent, my team works with a lot of investors and based on experience we require OOS clients to meet with us in Milwaukee at least one time to check out neighborhoods in person.

I’ll also check out all the others!!

Totally agree with the previous posters - start by checking the contract.

Check your state laws and your lease.

My wife and I have collected every rent check for over a decade now, one of the reasons behind this is by avoid those less desirable areas. 

Check out the BiggerPockets local meetups here: https://www.biggerpockets.com/forums/5212.