To find out the total value of the pieces in a LEGO set, and decide whether it’s more profitable to sell it sealed or in pieces, you can follow these steps:

1. Use BrickStore

BrickStore is an offline tool that connects to the BrickLink catalog.

You can import the set’s inventory into BrickStore, which lists every piece.

BrickStore can fetch market prices for each part, allowing you to calculate the total parts value.

2. Compare with Sealed Set Price

Look up the current market price of your sealed set on BrickLink, eBay, or other marketplaces.

Compare it to the total parts value from BrickStore.

3. Factor in Effort

Selling a sealed set is faster and easier.

Selling parts individually may be more profitable but takes more time, including sorting, listing, packaging, and shipping.

4. Check for Rare Pieces

Some minifigures or unique parts can significantly increase the parts’ total value.

If your set contains rare or exclusive pieces, parting it out might give a better return.