Whether you secure a tax delinquent list through your county or you work with a data provider to curate a personalized list with specific requirements, you will need to collect contact information one way or another.

They are not really marketing your unit they are curating the content and distributing it while using rate software to price.

I can find all sorts of information about:Services to curate a listCriteria to help filter your listServices to manage mailersInformation on mailer expectationsDoes anyone offer a mailer service for 1 address at a time?

Because remember...you are sending these out to a list you or someone else has curated. 

/mo.At the very least, I've provided a curated list of what appears to be some of the leading software in this market.