You know how being persistent and to take action to do this.  

Just be persistent with that method. 

Last thing I'd want is a source of disease and other nastiness rotting away inside one of the walls.

Do not give up and be persistent.  

You have to develop relationships and be persistent.

You have a much better chance of connecting with an owner if you are persistent rather then doing mass mailings hoping to hit that one owner who is ready to sell at the exact moment they received your post card.  

Good luck, be patient and persistent.

It's easier said than done and takes persistence to find the right deal without going under water.  

Stay persistent and consistent and you will eventually get to reach your goal. 

Pretty much every experienced wholesaler on BP will tell you that persistently sending letters/postcards is one of the main differences between successful wholesalers and those who quit.