While holding them do /sell hand and that will sell all the nwarts in your inventory. If you want to hold onto a few do /sell hand -32 or whatever

 

Netherwart pays 0.60 I think but is most wortwhile when you automate the destroying part of farming.

 

Hansang do you still live in the hotel?

 

/sell netherwart will sell every netherwart in your inventory
/sell netherwart -# will sell all of the netherwarts except for the amount you put in for the #

This works for all items, no spaces, no plural forms, i.e. oak plank, pumpkins wont work.

/worth [item name] will tell you the price you will get per one of those items you sell.

/sell hand will sell whatever is in your hand.
/sell hand -# same concept as before

/sell all will sell everything thats possible to sell in your inventory.