Another BP mentioned the app:  VR Easy.It appears to sync VRBO/Air BNB. 

Quickbooks Online is pretty popular, but a free option is Wave Apps. 

I have been educationg my self over the last couple of months,but this app has helped me tremendously.

There are plenty of free apps out there!

Are you doing this all in one seller leads app or keeping them separated?

I prefer to have high quality motion triggered recording that is used with a phone app.  

Trying to find my local investors forum or messenger board through the mobile app.

They list the home for rent, screen applicants with their spidey sense (no legit app procedures) and collect rent on behalf of the owner.  

Purchase price: $20,000 Cash invested: $329,000 Sale price: $473,200 Land Purchase in 2012, New Construction SFR built in 2016: Custom designed bespoke single family home. 3 bed 2.5 ba w/ roof deck, Curb-side Electric Car charging station, Sauna, 4 zone Energy efficient smart air system, HRV whole house fresh air system, Above code spray foam and batt insulation, Commercial grade White TPO roofing system, Triple Pane windows and rear sliding door, One of kind custom wood, metal and glass stairwell fabricated on-site, Phillips Hue smart light pockets throughout (compatible with Alexa, google home, Siri etc) 4 smart thermostats controllable remotely via app and Alexa, Google, Siri.

It's an app for all kinds of handy work.