First off - congratulations - if you like the CSO you'll love the APO
Couple of things, you might want to connect it to your wifi just to get the updates - I seldom use the app - there is a learning curve but in terms of steam usage, I just consider am I afraid of something drying out or do I want crispy and go from there - regarding appliance on appliance - it does put out a bit of heat (I use it to warm plates while whatever is cooking in the oven) so you might want to ensure some spacing
There are all kinds of facebook pages around, but the best and most reliable source I've found is:
https://community.anovaculinary.com/c/anova-precision-oven/31
From the horse's mouth so to speak
p