Reg. Q1: Looking at main.yml, I guess subtree should be set, otherwise paths won’t be correct?
Reg. Q2: Found a couple of other posts regarding the same topic, i.e. this one where @Ivan_Svaljek and a couple of other people seems to have had the same setup - @evanfuture for example. How did you handle version control on your setups?
Reg. Q3: Based on this thread by @luqo33, @swalkinshaw suggests running vagrant reload after adding a new site. No data should be lost, right?