Rare item needs sell for less than

0 g 0 s 0 c ) and Assuming: ecto sold at current minimum sale offer () and Mystic salvage kit obtained with "free" mystic forge stones used. Also, salvaged upgrade componenents and basic materials are not taken into account.

Formula: (Ectoplasm price * TP tax * Salvage chance - Salvage charge price) / TP tax.

If you want to buy ecto, rare needs to be more expensive than 0 g 0 s 0 c to sell it instead of salvaging.

to be worth it to salvage it for Globs of Ectoplasm instead of selling it directly.