Seems like a great way for rehaber to make the financials look any way they want.I can think of a few technologies that might help track income and expenses across projects that don't involve saving pieces of paper / invoices / pdfs :)  

You can 100% create simple systems with free technologies and run your unit efficiently. 

But as time goes and technology advances, we may not even need this anymore. 

https://propertygrid.com/Someone told me about it and it uses blockchain technology and tokenization of ownership with the purported goal of enhancing the real estate transaction and opening up global markets.

If you do not like bookkeeping/accounting/technology, hire a bookkeeper specializing in real estate investors.

I am pretty impressed with DoorLoop it feels like a more complete Rentredi with better backend technology stack and a United-based support team. 

My understanding of the current text messaging compliance is that it's OK to send unsolicited texts as long as you don't use some kind of software/automated technology.

Right now, the technology is not yet suitable for small projects, simply because the transactional costs are way too high and there's no secondary market.

(although, with the new smart phone technology, they do require gmail accounts, as such, sending from that account from your phone is fine, but you should be sending to people who already know you have a real email account.

Their concept is not new and has been around for ages with people renting rooms in college towns and more expensive markets (NYC, LA) however this is a centralized more hands off management approach to self managing by letting them do all the heavy lifting for you which allows you to scale in less time so yes the concept definitely works and even better with their technology behind it.