This will only create confusion but on a grander, more expensive scale.Why don't you first figure out precisely what data you want, all the way down to data fields, and then set out to find efficient ways to pull the data, by doing the first round yourself.In the meantime, since you are in California, subscribe to PropertyRadar so that you have quick access to property data, including equity, open trust deeds, etc.

I'm currently subscribed to Rebogateway.

I'm subscribing to follow your success and hope that you'll give us some updates.  

I also just subscribed to your newsletter to see what I can learn from there. 

http://www.mris.com/mris-customers/subscribe-to-mris/subscriber-faqs/

In one of my farm counties, there is a legal paper that's only legal notices and it's expensive to subscribe.

I subscribed to 3 counties and every day, I could log in to the site, and get the lists of every Lis Pendens that was filed in the clerks' offices of all 3 counties the day before.

Perhaps the card can be slipped into the newspaper for those houses that subscribe (though the newspaper might have a problem with that too), but I'm wondering where you plan on delivering the others.

I know one like that who only charges $40/month for her content, which I subscribe to.

Like you said, you might want to wait and see how your first direct mail campaign performs before subscribing to a monthly service.