There is no backwards compatibility or deprecation schedule. 

On my third filter, we schedule a touring of the property and perform a physical preliminar analysis of the property (not an inspection) to figure out how much CapEx will be necessary.

Amazon is scheduled to commence construction just across the river within the next 6 months. 

I have a schedule conflict and will not be able to attend BP Con.

I wasn't sure how the second unit would be handled but as you clearly outlined, it will be two separate depreciation schedules.

The delivery date is scheduled for 12/15. 

Many experienced hosts have already pointed to some of the reasonably priced tools to help with thatCommunication : Hospitable (Allows you to send URL and schedule messages with images, like driving directions.

I'll message you the link from the meetup app to stay in touch with scheduling. 

I became a victim of my own success -- with maintenance items dictating my schedule. 

I'm about to schedule our next meeting, & I post them on Bigger Pockets in the Events & Happenings section.