All you need to do is stay consistent with the late charges, the communication, and potential penalty's.

I think the tough part about targeting the film industry directly is that in order to consistently pull them you will probably need to get in touch with someone in that industry and pitch it to them.

Springfield saw a slight increase in listing inventory, consistently performing better than the previous year.

The buyer market remains consistent since the Market Supply metric tracks the Listing Inventory numbers.

Currently I am house hacking as a mid-term landlord (list on Airbnb.. renting Jack and Jill upstairs in our home to traveling professionals) we are consistently booked and lots of inquiries.

i'm currently seeking to partner with someone, in the new orleans area, where i will focus on finding & converting a SFR into a Board & Care-level residential facility consisting of 8-10 beds

If you consistently analyze properties, recognizing a good deal will be much easier when it shows up.

Consistency is far more effective than severity of discipline. 

You may want to use these as a starting point but @Bill Brandt's point about consistency is an important one to avoid a lawsuit.

If you limit yourself to a zip code or two I do not see you doing consistent flips.