We only have one 3 unit, purchased as a REO well below market value did the rehab did the back ground checks on the tenants and automated as much as possible.

Some use self employment income others won't, some will count rental revenues others don't, some will do full appraisals while other only do desk top automated valuation "appraisals" in their initial quote which can be a drastic difference.

They did want to use an automated appraisal and I knew if I used someone local the appraisal would be higher and in fact it was.

It's like 'mailbox money', but automated.  

SmartBnB is our preference for automated messages and managing pricing @ about $18 a month for our three listings.

Id also recommend downloading  some type of personal finance app, like Mint, which does a great job at helping you pay off debt, save money, and automate your budget.

Place an automated air vent at the highest point.

You can connect a variety of apps to increase automation and efficiency.

10x, commercial, automate

On the property inspection and itemization of deposit returns, there's a tool specifically for this called RentCheck that could help you automate this.