It offers some good features and reasonable UX. 

I will be there the following morning to pick up the keys and complete the move-out inspection."

There are limitations such as you need to find deals that are 75% of the ARV all in cost once completed, nonetheless that is very feasible with deep value add deals. 

I was wondering if the PM company can change the settings in the Buildium portal so it sends out monthly owner statements automatically to the owners instead of the owner going in the portal and downloading it manually every month.I spoke to Buildium customer service, they said, there is not a feature like that which I find amusing.

Was it due to features, lack of scaling, or something else?

,I currently own 5 SFHs in Memphis and just completed my first BRRRR there.

Noticed Zelle has invoicing feature, so I'm curious if people generally issue monthly rent invoice?

Completely agree @Mohammed Rahman.

This plan was going to allow me to cash flow but was going to take more capital to complete.

Rashim,My advice would be to reach out to a CPA and they give you a complete run down on taxes.