We use a loan servicing software that has a monthly subscription. 

.: What is the average conversion rate for cold calling using software like PropStream, specifically targeting probate, foreclosure, or tax delinquency leads?

Quote from @Ryan Konen: You are correct that comping software like Privy, Propwire, and Propstream primarily rely on public records for their data, such as county assessor records, MLS feeds, and sometimes 3rd party aggregators.

I actually ended up going through a big career change, and attended a 6-month bootcamp to learn Software Development after 7 years cooking professionally in fine-dining kitchens. 

What aspect of their business, the property managment software or investment management software.

You definitely wont get an app like that for free, so how much would you be willing to pay to a company to submit it for you, vs spending 10 minutes once a month to submit taxes? 

But it would be nice to have access to the software and a place to basically wholesale the ones you don't want for yourself.

Nathan above gave some good software recommendations, any of which would probably work well.

They listen to what you suggest and continually improving their software and processes.

-Completed permit package was submitted in June 2022.