" Do not feel obligated to comment on every student posting. Much like in F2F class discussions, let the conversation develop and give students a chance to participate before jumping in with in-depth comments/feedback or analysis."

This is interesting as it is counter to our current teaching guidelines. I rarely see "conversation" in my discussion forums - most peer-to-peer responses are supportive yet do not promote conversation. Without asking questions and offering additional prompts I'm unsure that any "conversation" would develop. 

Establishing boundaries for myself and my students is essential. Time-blocking is important not just for "work hours" but for non-work hours. Teaching from home can often make you feel as if you "never leave work". Turning off my cell phone, shutting my home office door, etc. allow me to psychologically "leave work".  My students have my personal cell phone number (required at my UNiv.) - this often makes them feel as if I am "available 24/7". As such, informing students of communication expectations.  Ex: I will respond within 24 hours. I will not accept phone calls after 5 pm. is… >>>

While workloads can vary from course to course, week to week, day to day - organization, time management, and realistic expectations for self (and students) are essential.