If this was a standard rental process then yes, I'd recommend going through the process of applications/screening steps, a background check, and then require the deposit; since it sounds like the house is being rented to transient workers though, the very nature of the work situation calls for a bit more flexibility on the renting end. 

Side note: Keep in mind some items are naturally low profit margin work and some are high profit margin work.

Another suggestion is for you to shop for a natural gas provider to reduce your costs.

Condotels that allow short term rentals, are considered to be non-warrantable condos for the single fact amongst a few others, that they are transient in nature, similar to a hotel.

While most medical professionals are good about planning for the future, the nature of how contracts get filled and where that takes the traveler often happen last minute. 

Detroit specifically is going through a big revitalization and there's both cash flow and appreciation to be had.

It’s human nature to give business to folks you like, so put yourself out there face to face, not just on social media 

This is merely the nature of the business. 2.  

Especially with plans to revitalize the harbor finally getting traction and more importantly, The Orioles and Ravens looking to be powerhouses for years to come lol. 

[sic] Those two things seem contradictory in nature to me.