Bring some cards (or a pen and napkin) and get ready to introduce yourself and share ideas. 

They do not have the necessary skill sets to properly screen and must always fall on the side of caution.

We've been pleased with Proper insurance for our STR as it is geared specifically to STR and has commercial liability protection.

The issue is I'm self employed and everything is written off, my credit ranges from 750-790 depending on the credit card miles game.

The factors I have considered so far are that keeping it open will allow me access to more money if needed for something like a rehab without using my credit cards.

Is it recommended to get business cards to give people at the doors?

Give proper notice that he will need to sign a new M2M lease at $1550 and let him decide.

I would be ready for socialization--and bring business cards or be prepared to airdrop some equivalent.

I’m sure that in some cases this is true - but with the proper screening processes that we have in place it just boils down to a thing called "The risk of investing in real estate" - not a malicious or greedy act from the property manager. 

I'm still new enough that I'm not able to buy with cash, and use credit cards to fund rehabs (more for the perks than the lack of cash) so my credit can move by 100 points or more throughout the process.