Regarding the contracts, the current implementation is actually "Sell X at the same time". I feel like your read is the more natural one and the current way could be added as a harder tier. Still, it never occurred to me that they would read differently.
Oh ok makes sense, that does make the contracts much more difficult to complete.
Can you clarify the sound bug? I thought I squashed most of those.
You can see it in action at the 17:00 timestamp of the video. The grab resource sound keeps repeating..