@Allison Cutlip No offense intended but "How do we create a lease" and "How do we find software to manage the property" sounds a lot like you need a property manager. 

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

@Julie Doke: Industry specific software speaks to you and you can easily relate it to your day to day process.

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

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. 

It seems there’s a common misconception largely influenced by social media, online courses, and influencers who oversimplify the process that real estate is an easy, passive way to generate income with minimal effort.

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

Simply put, your sphere of influence are circles of people that you already know.

. - will it influence property taxes once we move to conventional loan in 3 yrs?