There is nothing really game breaking or too annoying but I wish this quest had been slightly more developed.
The chest quest is a bit confusing.
Firstly, none of the NPC was very clear that opening the chest will make it unsellable. They simply said: "it's not worth trying" I realized that only after I have opened the chest (based on the quest updates). The both guys were around and said nothing when I tried to pick up the lock. Because the deal is off, my character went and actually slaughtered them to avoid complications in Baldur's Gate (I am fully aware this is early access and things may happen way different at post release but it is still the logical course of action for a character). I only realized after the carnage that I could simply pick up the whole chest and send it to camp.
Second (and that's what annoyed me a bit more), in the Zhentarim hideout you get tasked to find the chest. I think it could have been great if you could complete that quest by bluffing your way... Say "All were slaughtered and they were looted". Instead you had to choose between leaving that quest pending or stupidly admitting you have opened the chest. I opted for the latter out of inquisitiveness but it is not what a character with a criminal background will likely do. I wish I could have deceived the Zhentarim.
That's more or less it.