Evernote will definitely help you organize your receipts and paperwork, with cloud integration so you can photograph receipts in the field with your phone, throw the paper away if you choose, then have access to the images from any device.

It took me quite a while to get up to par however, once I did its the best for me because of the flexibility to integrate with so many other resources. 

Plan it out early: Work with tax advisors early on in the process to identify opportunities and integrate tax planning into the full project.Ensure compliance: Many of the incentive programs have strict compliance.

There's indeed a difference between calling at all hours and being unreasonable versus expecting a PM to be available and having the integrity to do what they say they will do.

What they've done tells you they're not integrity-filled so whatever they promise, well - only a fool would believe.

Their whole operation seems very well vertically integrated, which I believe would make for a much more universally cohesive operation and investor experience.

There were plumbing and structural/cosmetic integrity issues of the garage that were believed to possibly cause financial setbacks and essentially end this deal.

It's free up to 75 units, has numerous useful features like online payments, maintenance requests management, Quickbooks integration, etc.It might work for you if you're a DIY landlord. 

And do you recommend any specific calendar integration/ automated messaging systems?

I've talked with a few integrated property managers who have a small warehouse that houses laundry facilities, tools, all inventories, and replacement items similar to how a hotel or resort has storage space on site.