At this point, there's a way to suggest to the dev to set, at least, a personalized batch of commands, in order to, at least, set different keys, and in this way, don't make the game experience kinda frustrating?
For all those who struggle with the MMB and therefore can't sell :
The only solution I've found is to simulate the middle button on one of the other (with X-Mouse button control for example) and it works like a charm :
Once the sales have been made, all you have to do is exit the mouse click simulation software.
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