On the most recent webinar Brandon mentioned there was a calculator app coming for pro members.

I'm a software nerd, and had this idea of writing up an app to personalize letters to home owners in an area I like, and tell them how I'm thinking of offering them them 70-80% of their Zestimate of home (e.g.

There are two companies I have found in particular that offer by far the best apples to apples coverage.

I would start with annualcreditreport.com or one of the personal finance apps such as Mint to get a look at your current score.

Are you using a platform/app or doing it old school with straight experience?

During this time we had been converting over all our tenants to pay us electronically via Cozy and so to make sure I covered my basis I offered several solutions for her to communicate with her father and have him pay us via the app.

Does anyone have specific apps/sites/systems/experience to book these rentals?

Rates change every day and you want to compare apples with apples.Other things to remember. 

You marry this data with the Property Radar app we have here and as an investor you miles ahead of those that just wonder around in the forest.. or want to rely on others to do their homework for themgoogle Property Radar and see how powerful that tool is.. 

There is enough technology that you could grow to a decent size by yourself and utilize web apps.