Online forms for tenants, income and expense tracking, auto add late fees (or other charges you may have), rent collection, integration with other applications, ability to store documents, etc.   

I currently work as Data Analyst for a Healthcare company.Look forward to meeting others, hearing about opportunities, and getting more involved!

Thanks for the data behind your work too.

Collect DNA samples from everyone in the building . 

That implies a pooling of fund (collective investment scheme).

@Derek AskewHi Derek,I have a triplex and personally use Cozy for rent collection.

Is it legal to put a tenant's (or multiple tenants') security deposit into a savings account and then collect the interest that the deposit makes for you?

batchskiptracing keeps popping up when I do searches for companies that provide solid data.

They rely on the historical data to formulate their opinion of value.

I believe the 'fair rental days' data is needed for something completely different (i.e., the ratio of days rented vs. personal use).https://www.irs.gov/publications/p527#en_US_2018_publink1000219036The IRS link above clearly defines when a property is ready and available, which is measured differently than fair rental days.