That should indeed be a way to work around the bug. You could test it out with dirt first to be certain.

 

This has previously not worked for me, but as far as I know it has worked for others.

 

When you tried this, what item did you have in your offhand: the same you were retrieving from the sign, or a different one? With a different item, it worked for me (no bug), though I tested it only with amounts slightly bigger than a full inventory (just a few stacks more). Maybe the offhand behaves as a blackhole only if it contains the same item you are retrieving?

 

The item will try to stack with those in your offhand.

 

Ohhh... It also tries to go into your armour slots -_-

wtf though

Do you usually wear armour?

 

Yes.

 

(Kinda illegal I think but just pay an alt to buy the stuff out of it until it's <2304)

 

Uhm... it never happened to me (while having something in my offhand), despite I don't usually wear armor when I manage my shop

 

I have a giant notepad on it, I'll post it there once I'm back at my desktop.