So here is what I do:1 - Get buyer criteria for what they are looking for (exact criteria)2 - Go source that criteria using data provider3 - Scrub the list and plan a marketing campaign around it (i.e) > Direct Mail > Cold Call > SMS > Online Ads > Social Media, etc4 - Once I get inbound leads coming in.

Raising rent by a specific percentage isn't a very accurate way of handling this.

No, more specifically deals found through networking with local real estate professionals, finding pocket listings, direct mail, etc.

I wonder if it is feasible to pre-qualify prospects financially and criminally before touring"No, that's a fast pass to getting sued for violating a whole assortment of laws, how many and which all depending on the specifics to the potential buyer. 

The exact amount that you qualify for is a specific number. 

These laws are state specific so check yours.  

I know this was general, but I hope it helps...I'm always around if you have more specific questions. 

Go to the source.

PMLs exist, there's zillions of them, real estate investors work with them every day and PMLs fill a need and have a role to play as a specific tools for a specific situation.See if you can put a sharper point on your question.Mike Thanks for this Mike! 

Specifically, I'm trying to understand where the most outstanding vouchers are being distributed so I can target the right areas.