The extra month's deposit will cover most of that reducing the risk of nonpayment when they break that lease early. 

If you choose to accept it, make them apply and pass your screening, add them to the lease, and charge extra rent to make it worth your trouble.

Use 1031 funds to purchase the property with extra down payment. 

You keep the extra ticket cash. 

Currently, I am working on renting out my extra room in my 2 bed, bath condo.

Have you ever had difficulty getting a loan with poor credit?

Additionally, if the borrower faces financial difficulties, they’re more likely to prioritize payments on the first mortgage to avoid foreclosure, which could lead to missed payments on the second loan.

Real estate investors are attracted to medium-term rentals to gain the benefits of extra cash flow versus long-term rentals while avoiding regulatory risks, high turnover, and intensive management of short-term rentals.While many investors are now turning to medium-term rentals to build their portfolios, the lending world has unfortunately been a little slow to keep up.

Probably worth mentioning, TurboTax can facility real-time assisting from tax professionals if needed, obviously this will be at extra cost.Hope this helps! 

It's easy to obtain, costs very little, and doesn't require extra, on-going effort to maintain.