How should I target my wholesale leads?

[Patrick Philip]

I just got about 400,000 leads of absentee owners for $185 from 8 different property appraisers. The owners mailing addresses are all over the country and even in to Europe, China, and Africa.

How should I choose? I can only afford to send out to a few thousand.

Should I stick to the United States (there's a lot of Puerto Rico)? Should I target the zip codes in poorer areas?